Astragalus brauntonii is a rare species of milkvetch known by the common name Braunton's milkvetch. It is endemic to California, where it is known from fewer than 20 extant occurrences in the hills and mountains surrounding the Los Angeles Basin in Southern California. This is a federally listed endangered species in the United States. Astragalus brauntonii is a plant of the coastal prairie grasslands, coastal sage scrub, and chaparral plant communities of the region. It is often found growing in disturbed areas, especially in carbonate soils areas. The 16 known remaining populations are found in the southwestern Transverse Ranges (eastern Santa Monica Mountains, east end Simi Hills, south base San Gabriel Mountains), northern Peninsular Ranges (northwest side Santa Ana Mountains) - within Los Angeles, Orange, and Ventura Counties. They appear to be extirpated from the southern Channel Islands. Braunton's milkvetch is a large perennial herb which grows from a woody caudex and reaches up to 1. 5-metre (4. 9 ft) tall. The thick hollow stems are coated in coarse white hairs. Leaves are up to 16-centimetre (6. 3 in) long and are made up of many pairs of oval-shaped leaflike leaflets. The inflorescence is a dense spike of up to 60 bright lilac flowers. Each pealike flower is about a centimeter long with a reflexed hood. The flowers wither and turn brown but remain on the plant instead of dropping off. The plant is pollinated by native Megachile bees and native bumble bees (i. e. Bombus sp. ). The fruit is a small bent legume pod. Fire ecology. This plant, like many chaparral species, is fire-adapted and requires wildfire or other disturbance to propagate. The beanlike seeds require scarification to break down their tough seed coats before they can germinate. The seeds persist for years in the soil until fire allows them to sprout, with populations of the plant springing up in an area that has been recently swept by wildfire. It is a pioneer species, one of the first to grow in a disturbed area and one that is soon crowded out by plant species that appear later in ecological succession. Wildfire suppression in the hills and mountains surrounding Los Angeles prevent the plant from reproducing.

Astragalus breweri is a species of milkvetch known by the common name Brewer's milkvetch. It is endemic to northern California, where it is found in several counties surrounding the north edge of the San Francisco Bay Area. It grows in open habitat in the North Coast Ranges, sometimes on serpentine soils. This is a small annual herb producing stems usually only a few centimeters long. The small leaves are made up of widely spaced leaflets with notched tips. The inflorescence arises on a rough-haired peduncle and holds up to ten pealike flowers. Each flower is about a centimeter long and colored white, yellow, or pale lavender, sometimes with light purple streaks. The fruit is an oval-shaped legume pod up to a centimeter long armed with a sharp beak. It contains 2 to 6 beanlike seeds. This is a small annual herb producing stems usually only a few centimeters long. The small leaves are made up of widely spaced leaflets with notched tips. The inflorescence arises on a rough-haired peduncle and holds up to ten pealike flowers. Each flower is about a centimeter long and colored white, yellow, or pale lavender, sometimes with light purple streaks. The fruit is an oval-shaped legume pod up to a centimeter long armed with a sharp beak. It contains 2 to 6 beanlike seeds.

Astragalus californicus is a species of milkvetch known by the common name Klamath Basin milkvetch. It is native to the Klamath Mountains and surrounding High Cascade Ranges of northern California and southern Oregon, where it grows in scrub and woodland habitat. Astragalus californicus is a perennial herb forming a sturdy open clump of upright stems growing up to 1. 5 feet (0. 46 m) tall. The leaves are several centimeters long and made up of green leaflike leaflets. The inflorescence is a loose array of light yellow to cream-colored pealike flowers, each between 1 and 2 centimeters long. The fruit is a hanging legume pod 3 or 4 centimeters long. It is flat and narrow, with a hairy surface, and it dries to a thick papery texture.

Torrey's Milkvetch (Astragalus calycosus) is a native perennial herb that grows in Southern and Central California, primarily in the Desert Mountains region. It tends to grow in rocky places, at elevations from 4900-11600 feet.

Astragalus canadensis is a common and widespread member of the milkvetch genus in the legume family, known commonly as Canadian milkvetch. The plant is found throughout Canada and the United States in many habitats including wetlands, woodlands, and prairies. It sends out several thin, erect, green stems, bearing leaves that are actually made up of pairs of leaflets, each leaflet up to 3 centimeters in length. It has flower clusters of tubular, greenish-white flowers which yield beanlike fruits within pods that rattle when dry. Like other Astragalus species, A. canadensis is somewhat toxic, but it has been used medicinally by Native American groups such as the Blackfoot and Lakota people, particularly the roots.

Astragalus casei is a species of milkvetch known by the common name Case's milkvetch. It is native to the Mojave Desert and its sky island woodlands of eastern California and western Nevada. Astragalus casei is a wiry, branching perennial herb forming an open clump of jagged stems up to 40 centimeters long. Leaves are up to 10 centimeters long and made up of thin, narrow, lance-shaped leaflets. The plant bears an inflorescence of up to 25 pink, lilac, or white flowers. Each flower is between 1 and 2 centimeters long. Astragalus casei is a wiry, branching perennial herb forming an open clump of jagged stems up to 40 centimeters long. Leaves are up to 10 centimeters long and made up of thin, narrow, lance-shaped leaflets. The plant bears an inflorescence of up to 25 pink, lilac, or white flowers. Each flower is between 1 and 2 centimeters long. The fruit is a hanging legume pod 2 to 5 centimeters long. It is narrow, slightly hairy, and tipped with a sharp beak. It is pulpy when new and it dries to a tough texture.

Astragalus cimae is a species of milkvetch known by the common name Cima milkvetch. It is native to the Mojave Desert and its sky island woodlands of eastern California western Nevada, especially on calcareous soils, including the Cima Dome area in the Mojave National Preserve. Astragalus cimae is a spreading perennial herb with somewhat fleshy stems up to about 25 centimeters long. Leaves are up to 11 centimeters long and made up of oval or rounded leaflets. The plant bears an inflorescence of up to 25 flowers with reddish or pinkish purple petals sometimes tipped with white. Each flower is between 1 and 1. 5 centimeters long. The fruit is a legume pod with usually two inflated chambers. Astragalus cimae is a spreading perennial herb with somewhat fleshy stems up to about 25 centimeters long. Leaves are up to 11 centimeters long and made up of oval or rounded leaflets. The plant bears an inflorescence of up to 25 flowers with reddish or pinkish purple petals sometimes tipped with white. Each flower is between 1 and 1. 5 centimeters long. The fruit is a legume pod with usually two inflated chambers.

Astragalus clarianus (orth. var. A. claranus) is a rare species of milkvetch known by the common names Clara Hunt's milkvetch and Napa milkvetch. It is endemic to northern California where it is known from only four or five occurrences along the border between Sonoma and Napa Counties. It is a federally listed endangered species. This is an annual herb producing thin stems covered in tiny rough hairs. The plant reaches up to 12 centimeters tall. The small leaves are made up of a few pairs of oval-shaped leaflets. The inflorescence is a small cluster of 2 to 7 flowers. Each flower is about a centimeter long and has white petals with bright deep purple tips. The fruit is a papery legume pod around 2 centimeters long. It is tapered at both ends, hairy in texture, and it bears a sharp beak at one end. The plant was named for the California schoolteacher and amateur botanist Clara Adele Pike Blodgett Hunt. Ecology. This rare plant faces several threats, including invasive species, urban development, the establishment of vineyards in its habitat, grazing, trampling, alterations in the water regime, recreation, and road and airport maintenance activities.

Astragalus clevelandii is an uncommon species of milkvetch known by the common name Cleveland's milkvetch. It is endemic to northern California, where it grows in moist areas of the North Coast Ranges. It is a member of the serpentine soils flora. Astragalus clevelandii is a bushy perennial herb growing up to a meter tall. Its plentiful leaves are up to 14 centimeters long and are made up of many oval-shaped leaflets. The plant is mostly hairless, but the leaves may have rough hairs on the undersides. The large inflorescence is a spike of up to 100 small pealike flowers, each under a centimeter long. They are white or off-white in color. Astragalus clevelandii is a bushy perennial herb growing up to a meter tall. Its plentiful leaves are up to 14 centimeters long and are made up of many oval-shaped leaflets. The plant is mostly hairless, but the leaves may have rough hairs on the undersides. The large inflorescence is a spike of up to 100 small pealike flowers, each under a centimeter long. They are white or off-white in color. The fruit is a legume pod less than a centimeter long which dries to a thick papery texture.

Astragalus congdonii is a species of milkvetch known by the common name Congdon's milkvetch. Astragalus congdonii is a hairy perennial herb growing to heights between 20 and 70 centimeters. The sparse leaves are up to 14 centimeters long and are made up of several pairs of oval-shaped leaflets. The large, open inflorescence bears up to 35 cream-colored flowers, each about 1 to 1. 5 centimeters long. The fruit is a narrow legume pod up to 3. 5 centimeters long which dries to a thick papery texture. Astragalus congdonii is endemic to the Sierra Nevada foothills of central California.

Astragalus crotalariae is a species of milkvetch known by the common name Salton milkvetch. It is native to the Colorado Desert in California and other Sonoran Deserts in Arizona and northern Mexico. It grows in desert scrub habitat, including the Salton Sink in the Coachella Valley. Astragalus crotalariae is a bushy perennial herb growing to heights between 15 and 60 centimeters. It is roughly hairy and has an unpleasant scent. The leaves are up to 16 centimeters long and are made up of several pairs of thick oval-shaped to rounded leaflets. The open inflorescence bears up to 25 reddish purple flowers, each 2 to 3 centimeters long. The fruit is an inflated legume pod up to 3 centimeters long. It is usually roughly hairy and dries to a thick papery texture. Selenium. Like many other Astragalus species, this plant accumulates selenium from the soil. It has also been shown to harbor a selenium-metabolizing Bacillus species in its seed pods.

Astragalus curtipes is a species of milkvetch known by the common name Morro milkvetch. It is endemic to the Central Coast of California, including the Morro Bay area in San Luis Obispo County. Morro milkvetch is a clumpy perennial herb with a dense coat of rough, woolly hairs. The gray-green leaves are up to 16 centimeters long and are made up of fuzzy leaflets which are long and narrow in shape. The plant bears a dense inflorescence of up to 35 flowers, each about 1. 5 centimeters long. The flowers are cream-colored and sometimes tipped with lilac. Morro milkvetch is a clumpy perennial herb with a dense coat of rough, woolly hairs. The gray-green leaves are up to 16 centimeters long and are made up of fuzzy leaflets which are long and narrow in shape. The plant bears a dense inflorescence of up to 35 flowers, each about 1. 5 centimeters long. The flowers are cream-colored and sometimes tipped with lilac. The fruit is an inflated legume pod 2 to 3 centimeters long which dries to a thin, papery texture. Its single chamber contains many seeds.

Astragalus deanei is a rare species of milkvetch known by the common name Dean's milkvetch, or Deane's milkvetch. It is endemic to southern San Diego County, California, where it grows on the slopes of the Peninsular Ranges between El Cajon and Tecate. Astragalus deanei is mostly hairless perennial herb growing erect to heights between 30 and 60 centimeters. The leaves are up to 18 centimeters long and are made up of oval-shaped leaflets with prominent midribs. Astragalus deanei is mostly hairless perennial herb growing erect to heights between 30 and 60 centimeters. The leaves are up to 18 centimeters long and are made up of oval-shaped leaflets with prominent midribs. The open inflorescence holds up to 25 whitish flowers, each 1 to 1. 5 centimeters long. The fruit is an inflated legume pod 1. 5 to 3 centimeters long which dries to a thin, papery texture. Its single chamber contains many seeds.

Astragalus didymocarpus is a species of milkvetch known by the common names dwarf white milkvetch and two-seeded milkvetch. It is native to the southwestern United States and northern Mexico, where it can be found in many types of habitat. Astragalus didymocarpus is a slender, hairy annual herb growing erect to about 30 centimeters tall, drooping, or flat on the ground in a spreading clump. The leaves are up to 7 or 8 centimeters long and are made up of narrow to oblong leaflets. The inflorescence is a cluster of up to 30 purple-tinted white flowers, each under a centimeter long. The inflorescence is covered in long black and white hairs. Astragalus didymocarpus is a slender, hairy annual herb growing erect to about 30 centimeters tall, drooping, or flat on the ground in a spreading clump. The leaves are up to 7 or 8 centimeters long and are made up of narrow to oblong leaflets. The inflorescence is a cluster of up to 30 purple-tinted white flowers, each under a centimeter long. The inflorescence is covered in long black and white hairs. The fruit is a small, spherical legume pod a few millimeters wide which dries to a stiff papery texture. Varieties: There are several varieties of Astragalus didymocarpus: A. d. var. didymocarpus - erect herb found in western Nevada and much of California, A. d. var. dispermus - prostrate form native to the desert regions, A. d. var. milesianus (Miles' milkvetch) - rare variety found only along the Central Coast of CaliforniaA. d. var. obispoensis - form with ascending stems native to coastal southern California and Baja California

Astragalus douglasii is a species of milkvetch known by the common name Douglas' milkvetch. It is native to California and Baja California, where it can be found in many types of desert, valley, chaparral and woodlands, and montane habitats. Astragalus douglasii is a bushy perennial herb producing a number of erect or prostrate stems up to a meter long. The abundant leaves are up to 18 centimeters long and are made up of oval-shaped leaflets. The open inflorescence holds up to 30 whitish to pale yellow flowers, each about a centimeter long. Astragalus douglasii is a bushy perennial herb producing a number of erect or prostrate stems up to a meter long. The abundant leaves are up to 18 centimeters long and are made up of oval-shaped leaflets. The open inflorescence holds up to 30 whitish to pale yellow flowers, each about a centimeter long. The fruit is an inflated legume pod up to 6 centimeters long and 3 wide which dries to a thin, papery texture. Varieties: There are three varieties of Astragalus douglasii:A. d. var. douglasii - limited to CaliforniaA. d. var. parishii (Parish's milkvetch) - found throughout the mountain ranges of Southern CaliforniaA. d. var. perstrictus (Jacumba milkvetch) - rare variety limited to San Diego County, California, and northern Baja California

Astragalus ertterae is a rare species of milkvetch known by the common name Walker Pass milkvetch. It is endemic to California, where it is known from only three occurrences near Walker Pass in the Sierra Nevada. Astragalus ertterae is hairy perennial herb with a stem no more than 10 centimeters long, much of which grows underground. There are 4 or 5 leaves which are a few centimeters long and made up of several oval-shaped leaflets. The dense inflorescence holds up to 17 cream-colored flowers, each about a centimeter long. The fruit is a swollen, hairless legume pod which dries to a leathery texture. Astragalus ertterae is hairy perennial herb with a stem no more than 10 centimeters long, much of which grows underground. There are 4 or 5 leaves which are a few centimeters long and made up of several oval-shaped leaflets. The dense inflorescence holds up to 17 cream-colored flowers, each about a centimeter long. The fruit is a swollen, hairless legume pod which dries to a leathery texture.

Astragalus filipes is a species of milkvetch known by the common name basalt milkvetch. It is native to western North America from British Columbia to California to Utah, where it grows in many types of habitat, especially dry areas. Astragalus filipes is a clumpy perennial herb growing 30 to 90 centimeters tall. The leaves are up to 12 centimeters long and made up of several widely spaced leaflets which are linear to oval in shape. The open inflorescence holds up to 30 off-white to pale yellow flowers each 1 to 1. 5 centimeters long. Astragalus filipes is a clumpy perennial herb growing 30 to 90 centimeters tall. The leaves are up to 12 centimeters long and made up of several widely spaced leaflets which are linear to oval in shape. The open inflorescence holds up to 30 off-white to pale yellow flowers each 1 to 1. 5 centimeters long. The fruit is a hanging legume pod up to 3 centimeters long. It is long and thin and dries to a papery texture.

Astragalus funereus is an uncommon species of milkvetch known by the common names Funeral Mountain milkvetch and black milkvetch. The Latin name funereus and common name "Funeral Mountain milkvetch" refers to a population in the Funeral Mountains of Death Valley in California. Astragalus funereus is a small tufted perennial herb coated densely in stiff hairs. The stems are up to 8 centimeters long. The short leaves are made up of several hairy oval-shaped leaflets growing close together. The inflorescence contains up to 10 flowers and is covered in black hairs. The flowers are 2 to 3 centimeters long and pink and purple streaked. The fruit is a compressed, lance-shaped legume pod up to 5 centimeters long. It is leathery and coated in white hairs.

Astragalus gambelianus is a species of milkvetch known by the common name Gambel's dwarf milkvetch. It is native to California, with its distribution extending into Oregon to the north and Baja California to the south. It grows in many types of habitat. This is an annual herb with slender stems reaching a maximum of 30 centimeters long, but generally remaining shorter. A dwarf milkvetch, it is smaller than most other species of its genus. The leaves are less than 4 centimeters long and are made up of several oblong leaflets, each a few millimeters in length. The flower cluster holds up to 15 purple-tinted white flowers, each generally less than 6 millimeters long. The herbage of the flower cluster is coated in black hairs. The fruit is a tiny rounded or oval legume pod just a few millimeters long.

Elmer's Dwarf Milk Vetch (Astragalus gambelianus var. elmeri) is a native annual herb that grows in central California.

Astragalus gibbsii is a species of milkvetch known by the common name Gibbs' milkvetch. It is native to eastern California, the north-central Sierra Nevada, and western Nevada, where it grows in the pine forest habitat of the mountains and the sagebrush of the plateaus. Astragalus gibbsii is low-lying perennial herb forming clumps of hairy, gray-green stems up to 35 centimeters long. Leaves are up to about 9 centimeters long and are made up of several pairs of oval to oblong leaflets. The large inflorescence bears up to 30 yellowish or cream-colored pouched, podlike flowers, each between 1 and 2 centimeters long. Astragalus gibbsii is low-lying perennial herb forming clumps of hairy, gray-green stems up to 35 centimeters long. Leaves are up to about 9 centimeters long and are made up of several pairs of oval to oblong leaflets. The large inflorescence bears up to 30 yellowish or cream-colored pouched, podlike flowers, each between 1 and 2 centimeters long. The fruit is a hanging legume pod 2 to 3 centimeters long. It is fleshy when new and dries to a hairy, leathery texture.

Astragalus gilmanii is a species of milkvetch known by the common name Gilman's milkvetch. It is native to the desert scrub and woodland of Nevada, the California Sierra Nevada and Inyo Mountains, and it is known from a few locations in the Panamint Range adjacent to Death Valley in California. Astragalus gilmanii is a small, low-lying annual or perennial herb forming clumps of hairy stems up to 25 centimeters long. The leaves are up to about 7 centimeters long and are made up of several fuzzy, purple-margined green leaflets. The inflorescence bears 4 to 9 bright pinkish purple flowers each about 7 millimeters in length. Astragalus gilmanii is a small, low-lying annual or perennial herb forming clumps of hairy stems up to 25 centimeters long. The leaves are up to about 7 centimeters long and are made up of several fuzzy, purple-margined green leaflets. The inflorescence bears 4 to 9 bright pinkish purple flowers each about 7 millimeters in length. The fruit is an inflated papery legume around 2 centimeters long. It contains several seeds in its single chamber.

Astragalus inversus is a species of milkvetch known by the common name Susanville milkvetch. It is endemic to the northeastern corner of California, between 900-1,980 metres (2,950-6,500 ft) in elevation. It grows in southern Cascade Range Yellow pine forests and dry Great Basin Sagebrush scrub habitats. Astragalus inversus is a perennial herb with slender, wiry, mostly leafless stems growing 20 to 50 centimeters long. They grow upright or form a spreading clump. The leaves are up to 12 centimeters long and are made up of a few small, widely spaced narrow leaflets. The inflorescence is a loose array of 5 to 12 pale to reddish pink flowers, sometimes tinted with yellow. Each flower is about a centimeter long. The fruit is a hanging legume pod 2 to 3. 5 centimeters long, narrow and flat in shape and drying to a hairy, papery texture.

Astragalus inyoensis is a species of milkvetch known by the common name Inyo milkvetch. It is native to the Great Basin desert mountains and flats of western Nevada, and the White and Inyo Mountains of eastern California. Astragalus inyoensis is a low, mat-forming perennial herb with slender, crooked gray-green stems growing up to 60 centimeters long. The leaves are a few centimeters long and are made up of several oval scoop-shaped leaflets each a few millimeters in length. The inflorescence produces up to 15 pinkish purple flowers each around a centimeter long. The fruit is a hanging legume pod just over a centimeter long which is narrow and curved in shape and leathery in texture.

Astragalus jaegerianus is a rare species of milkvetch known by the common name Lane Mountain milkvetch. The plant was named for the biologist Edmund Jaeger, who first documented it in 1939. It is endemic to northeastern San Bernardino County, California, where it is known from only four populations in the vicinity of Fort Irwin in the Mojave Desert. It is a federally listed endangered species. This is a perennial herb with thin stems coated in scaly hairs. The stems reach 30 to 70 centimeters in length and grow tangled in the herbage of adjacent shrubs. In dry years the plant grows only a few centimeters long before flowering, but after abundant rain it may climb to the tops of neighboring shrubs. The leaves are 2 to 5 centimeters long and are made up of several widely spaced narrow leaflets with hairy upper surfaces. The inflorescence is an open array of up to 15 pale purple, dark veined flowers. Each flower is up to one centimeter in length. The flowers are insect-pollinated, with the most common pollinator being the megachilid bee Anthidium dammersi. The fruit is a hanging legume pod up to 2. 5 centimeters long. It is hairless and dries to a leathery or thick papery texture.

Astragalus johannis-howellii is a species of milkvetch known by the common name Long Valley milkvetch. It is native to eastern California, including Long Valley in Mono County, and its distribution extends over the border into Nevada. It is a plant of Great Basin scrub habitat. This is a small perennial herb forming loose clumps of very thin branching stems up to 20 centimeters long. The leaves are a few centimeters long and are made up of many tiny folded oval-shaped leaflets. The inflorescence holds 6 to 12 off-white pale-striped flowers, each a few millimeters long. The fruit is a hanging legume pod up to a centimeter in length, thinly hairy and papery in texture. This species was named for the botanist John Thomas Howell.

Astragalus kentrophyta is a species of milkvetch known by the common name spiny milkvetch. It is native to western North America from central to west Canada, to California, to New Mexico. It grows in rocky mountainous areas, such as the Sierra Nevada, and on plateaus. This perennial herb is somewhat variable in appearance, especially across Varieties: It is generally small and low-lying, growing in spiny mats or clumps. The short stems are hairy. The small leaves are made up of smaller oval-shaped or narrow linear, spine-tipped leaflets. The inflorescence bears one to three white to pinkish purple flowers, each less than a centimeter long. The fruit is a hairy, flattened legume pod 4 to 9 millimeters in length. Varieties: There are several varieties of Astragalus kentrophyta species, including:A. k. var. coloradoensis (Colorado spiny milkvetch) - limited to Utah and ArizonaA. k. var. danaus (Sweetwater Mountains milkvetch) - endemic to eastern CaliforniaA. k. var. douglasii (Douglas' spiny milkvetch, thistle milkvetch) - limited to Oregon and Washington but possibly extirpated from the latterA. k. var. elatus (tall spiny milkvetch, spiny-leaved) - found throughout the western United StatesA. k. var. neomexicanus (New Mexico spiny milkvetch) - endemic to New MexicoA. k. var. tegetarius (mat milkvetch) - distributed throughout the western USA. k. var. ungulatus - endemic to Nevada

Astragalus layneae is a species of milkvetch known by the common name widow's milkvetch. It is native to the Mojave Desert and surrounding mountain ridges in California and Nevada. This is a small perennial herb growing from a deep rhizome and producing erect stems no taller than about 16 centimeters. The leaves are made up of many oval to rounded leaflets, and stem and leaves are coated in gray-green hairs. This is a small perennial herb growing from a deep rhizome and producing erect stems no taller than about 16 centimeters. The leaves are made up of many oval to rounded leaflets, and stem and leaves are coated in gray-green hairs. The inflorescence is covered in dark hairs and bears up to 45 flowers. Each flower is between one and two centimeters in length and has white petals tipped and streaked in bright purple. The fruit is a hanging legume pod up to 6. 5 centimeters long. It is curved in shape and leathery and hairy in texture.

Astragalus lemmonii, the Lemmon' milkvetch, is a rare plant of eastern California. It is a member of the bean family, the Leguminosae (a. k. a. Fabaceae), and specifically a member of the subfamily Papilionoideae (a. k. a. Faboideae). The genus Astragalus is a large genus within this family; members of this genus are known as milkvetches or locoweeds. Close relatives of this particular species include Astragalus peckii and Astragalus lentiformis. The plant is a perennial plant. It has a fleshy to woody taproot, loosely matted to open and widely branched, herbage green but sparsely strigose, with basifixed hairs. Its several stems are slender and radiates from a superficial root-crown, prostrate to procumbent, herbaceous to the base, 10-50 cm, very sparsely strigose, floriferous from near the base. The stipules submembranous, semi- or fully amplexicaul but free, 2-5 mm. The leaves measures 1-4½ cm. Leaflets are 7-15, narrowly elliptic, lanceolate to oblong to oblanceolate; tips acute, subacute, or exceptionally emarginate; sparingly appressed-pubescent, 2-11 mm. The terminal leaflet is generally much broader than the subfiliform rachis. Inflorescence. The inflorescences are several and are often paired in the axils. These are distal, often 2 or 3 in one axil, one raceme of each pair usually developing much sooner than the other. The peduncles are slender, filiform, incurved-ascending at anthesis, mostly 1-2 cm long (much shorter than the leaves). Several (2-13) flowers are clustered at the ends of the peduncles. These flowers are ascending in subcapitate racemes.

Astragalus lentiformis is a species of milkvetch known by the common name lens-pod milkvetch. It is endemic to the Sierra Nevada in eastern Plumas County, California, where it grows in chaparral scrub and coniferous forests. Astragalus lentiformis is a small perennial herb forming a patch of spreading stems 10 to 20 centimeters long. The leaves are less than 4 centimeters in length and are made up of several narrow leaflets. Stem and leaves have a thin coat of fine grayish hairs. Astragalus lentiformis is a small perennial herb forming a patch of spreading stems 10 to 20 centimeters long. The leaves are less than 4 centimeters in length and are made up of several narrow leaflets. Stem and leaves have a thin coat of fine grayish hairs. The inflorescence is a small cluster of 5 to 10 off-white or pale yellow flowers each a few millimeters long. The fruit is a lens-shaped legume pod less than a centimeter long which is hairy and papery in texture.

Astragalus lentiginosus is a species of legume known by the common names spotted locoweed and freckled milkvetch. It is native to western North America, where it grows in many habitat types. There are a great number of wild varieties of this species, and they vary in appearance. The flower and the fruit of a given individual are generally needed to identify it down to the variety. As a species, Astragalus lentiginosus is distributed throughout the Great Basin of North America, west from the Rocky Mountains to the California Coast Ranges, south to Mexico, and north to British Columbia. The varieties are largely limited to marginal habitats such as disturbed sites in the arid regions of the continent. The group also contains a number of edaphic specialists which occur at desert seeps, which frequently exhibit high levels of calcium carbonate. Astragalus lentiginosus is a perennial or occasionally annual herb with leaves up to 15 centimetres (5. 9 inches) long divided into many pairs of small leaflets. The plant is prostrate to erect in form and quite woolly to nearly hairless. The inflorescence holds up to 50 pea-like flowers which may be purplish or whitish or a mix of both.