Lycopus asper

Rough bugleweed

Family: Lamiaceae · Type: perennial · Native

Rough bugleweed is a California native perennial found in the Central California Floristic Province and Great Basin in moist areas, marshes, and streambanks at elevations below 1,400 meters. Flowering from June to October, this plant produces small white flowers 3 to 5 millimeters long with distinctive awl-like calyx lobes. Growing with erect stems 30 to 80 centimeters tall that are lightly hairy, it spreads through rhizomes with thickened, tuber-like tips. Its leaves are nearly sessile, lanceolate to narrowly elliptic, 2.5 to 7 centimeters long with serrated edges and a slightly hairy surface. The tiny nutlet fruits are 1.5 to 2 millimeters long with truncate tips.

Habitat: Moist areas, marshes, streambanks

Bloom period: Jun-Oct

Elevation: < 1400 m

Bioregions: CA-FP, GB

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