Data provided by the participants of the Consortium of California Herbaria

View additional distribution information on the Jepson eflora

Epilobium torreyi is a species of flowering plant in the evening primrose family known by the common names Torrey's willowherb and brook spike-primrose. It is native to western North America from British Columbia to California, where it grows in many types of habitat, often in moist areas. It is a hairy annual herb producing a narrow, upright stem often exceeding half a meter tall lined with narrow lance-shaped leaves. The hairy, glandular inflorescence bears tiny white or pink flowers. They are usually cleistogamous, remaining closed and self-pollinating. The fruit is a capsule up to about a centimeter long.

Plant type

Annual herb

Size

2 - 19 in Tall

Calscape icon
Color

Pink, White

Special uses

Containers

Plant communities

Chaparral, Foothill Woodland, Lodgepole Forest, Red Fir Forest, Subalpine Forest, Valley Grassland, Yellow Pine Forest

Hummingbirds
Caterpillars
Butterflies

Butterflies and moths supported

0 confirmed and 13 likely

Confirmed Likely

Aetole extraneella

Fireweed Clearwing

Albuna pyramidalis

Langston's Forester

Alypia langtoni

Black-Banded Carpet

Antepirrhoe semiatrata