Trifolium retusum

Teasel clover

Family: Fabaceae · Type: annual · Not Native

Teasel clover is a naturalized annual herb found in the northern California Ranges in disturbed roadsides at elevations of 150 to 800 meters. Flowering from May to August, this plant produces white to pink flowers with delicate rounded or occasionally toothed banner petals. Growing with erect to ascending glabrous stems, it forms compact plants typically less than 30 centimeters tall. Its leaves are characterized by distinctive triangular stipules that abruptly narrow to an awl-shaped tip, with leaflets that are obovate and 0.7 to 1.9 centimeters long, featuring prominent veining. Flowers are reflexed when in fruit, with calyxes 4 to 5 millimeters long and upper calyx lobes curved and longer than the lower lobes.

Habitat: Disturbed roadsides

Bloom period: May-Aug

Elevation: 150-800 m

Bioregions: CaR

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