Arnica venosa

Shasta county arnica, Shasta County Arnica, Shasta County arnica, Shasta County arnica

Family: Asteraceae · Type: perennial · Native

Conservation status: CNPS 4.2

Shasta county arnica is a California native perennial ranked 4.2 by CNPS, found in the Klamath Ranges in open, often disturbed oak and pine woodland at elevations of 400 to 1,400 meters. Flowering from May to June, this plant produces yellow flowers in solitary heads approximately 15 to 20 millimeters long. Growing with stems 20 to 60 centimeters tall that are unevenly hairy and glandular, it develops from a branched, scaly underground caudex. Its cauline leaves grow in 6 to 10 pairs, with middle leaves 3 to 7 centimeters long, lanceolate to nearly ovate, strongly three to five-veined, and unevenly toothed. The fruit is 6 to 8 millimeters long and covered in dense forked hairs.

Habitat: Open, often disturbed oak/pine woodland

Bloom period: May-Jun

Elevation: 400-1400 m

Bioregions: KR.

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.