Astragalus agnicidus

Humboldt county milkvetch, Humboldt County Milkvetch, Humboldt County milk-vetch, Humboldt County milk-vetch

Family: Fabaceae · Type: perennial · Native

Conservation status: CNPS 1B.1

Humboldt county milkvetch is a rare (CNPS 1B.1) California native perennial found in southern Humboldt and Mendocino counties in open woodland soils at elevations of 300 to 750 meters. Flowering from May to August, this plant produces white flowers with a distinctive banner petal that curves back at a 45-degree angle in dense clusters of 10 to 40 blooms. Growing with erect stems 30 to 90 centimeters tall, it develops a coarse, leafy structure with sparse, fine, wavy hairs. Its compound leaves feature 13 to 27 leaflets, each 3 to 22 millimeters long, ranging from oblong to ovate in shape. The fruit develops as a reflexed, papery pod approximately 11 to 15 millimeters long with a slightly three-sided profile.

Habitat: Open soil in woodland

Bloom period: May-Aug

Elevation: 300-750 m

Bioregions: NCoRO (s Humboldt, Mendocino cos.).

California counties: Humboldt, Mendocino

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