Data provided by the participants of the Consortium of California Herbaria

View additional distribution information on the Jepson eflora

Ambrosia ambrosioides, also known as canyon ragweed or chicura is a ragweed found in the deserts of northern Mexico and ranging into the southern half of Arizona. Growing as a shrub from 1-2 meters high, its elongate, coarsely-toothed leaves range from 4-18 centimeter long and 1.5-4 centimeter wide. It is monoecious, with both terminal and axillary racemes consisting of staminate heads occurring above their pistillate counterparts. Flowering occurs mainly in February through April. The fruits are 10-15 millimeter burs covered with hooked spines.

Plant type

Perennial herb

Size

3 - 8 ft Tall

Sun

Full Sun

Plant communities

Coastal Sage Scrub

Caterpillars
Butterflies

Butterflies and moths supported

0 confirmed and 8 likely

Confirmed Likely

Ragweed Borer

Epiblema strenuana

Common Eupithacia

Eupithecia miserulata

Armyworm Moth

Mythimna unipuncta