Anisocarpus scabridus

Scabrid alpine tarplant, scabrid alpine tarplant, scabrid alpine tarplant

Family: Asteraceae · Type: perennial · Native

Conservation status: CNPS 1B.3

Scabrid alpine tarplant is a rare (CNPS 1B.3) California native perennial found in the Klamath Ranges, northern Coast Ranges, and California Ranges on open ridges and slopes in metamorphic terrain at elevations of 1,600 to 2,400 meters. Flowering from June to September, this plant produces yellow ray flowers 3.5 to 11.5 millimeters long with multiple disk flowers in compact clusters. Growing 10 to 50 centimeters tall with slender, somewhat erect stems, it forms a delicate, sparse herbaceous structure. Its narrow leaves are 1 to 4 millimeters wide with acute or blunt tips, arranged along the stems with a sparse, slightly rough texture. The fruit consists of distinctive ray fruits 6 to 8 millimeters long and disk fruits 5 to 9 millimeters long, slightly cylindrical in shape.

Habitat: Open ridges or slopes on metamorphics

Bloom period: Jun-Sep

Elevation: 1600-2400 m

Bioregions: KR, NCoRH, CaRH.

California counties: Mendocino, Shasta, Lake, Tehama, Trinity, Colusa

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