Lupinus hyacinthinus

San jacinto mountain lupine

Family: Fabaceae · Type: perennial · Native

San jacinto mountain lupine is a California native perennial found in the San Gabriel Mountains, San Bernardino Mountains, and Peninsular Ranges in dry slopes and forests from yellow pine to subalpine fir at elevations of 2,000 to 3,500 meters. Flowering from June to August, this plant produces light blue to purple flowers with a yellowish to white spot on the banner, measuring 13 to 16 millimeters long. Growing 40 to 100 centimeters tall with an erect green stem that is slightly hairy, the plant has a distinctive upright form. Its leaves comprise 7 to 12 leaflets, each 30 to 80 millimeters long and 4 to 8 millimeters wide, arranged along the stem with stipules 5 to 16 millimeters long. The fruit is a silky pod 3 to 4 centimeters long, containing 3 to 7 beige seeds speckled with brown.

Habitat: dry slopes, yellow pine to subalpine fir forests

Bloom period: Jun-Aug

Elevation: 2000-3500 m

Bioregions: SnGb, SnBr, PR.

California counties: Los Angeles, San Bernardino, Riverside, San Diego

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