Chorizanthe biloba

Two lobed spineflower

Family: Polygonaceae · Type: perennial · Native

Two lobed spineflower is a California native perennial found in dry, rocky habitats at elevations of 1,000 to 1,500 meters. Flowering from May to June, this plant produces light to dark purple flowers with distinctive two-lobed perianth segments up to 6 millimeters long. Growing with erect stems 10 to 40 centimeters tall, the plant branches from an upright stem with ascending branches and appears somewhat hairy. Its basal leaves are oblanceolate, measuring 1 to 3 centimeters long and 0.4 to 1 centimeter wide, with distinctive needle-like bracts forming dense, flat clusters. The plant's intricate involucre is 4 to 6 millimeters long, three-angled, and six-ribbed, with alternating short and long lobes.

California counties: San Luis Obispo, Monterey, Fresno, Tulare, Kings

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