Arnica spathulata

Klamath arnica, Klamath arnica, Klamath arnica

Family: Asteraceae · Type: perennial · Native

Conservation status: CNPS 4.3

Klamath arnica is a California native perennial found in the Klamath Ranges in open, dry, disturbed oak and conifer woodlands, typically on serpentine at elevations of 200 to 1,500 meters. Flowering from April to July, this plant produces yellow disk flowers in heads 1 to 9 clusters, with no ray flowers present. Growing 15 to 45 centimeters tall with loose, often branched stems that are generally spreading-hairy, it develops a distinctive growth pattern. Its basal leaves are prominent, up to 15 centimeters long, oblanceolate with widely winged petioles and slightly toothed edges, while cauline leaves are reduced along the stem. The fruit is 5 to 10 millimeters long, sparsely glandular, with a short-barbed white pappus.

Habitat: Open, dry, disturbed oak/conifer woodland, generally on serpentine

Bloom period: Apr-Jul

Elevation: 200-1500 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.