Veronica serpyllifolia subsp. humifusa

Family: Plantaginaceae · Type: perennial · Native

Thyme-leaved speedwell is a California native perennial found in northwestern California, Cascade Range, Sierra Nevada, central coastal California, San Francisco Bay Area, San Bernardino Mountains, and eastern Sierra Nevada in moist streambanks, lakeshores, and meadows at elevations below 3,200 meters. Flowering from April to August, this plant produces bright blue flowers about 6 to 7 millimeters wide in terminal racemes. Growing with decumbent stems 5 to 30 centimeters tall that are slightly hairy and erect only at the tips, it spreads through rhizomes. Its leaves are 10 to 25 millimeters long, elliptic to widely ovate, with entire or slightly crenate edges and obtuse tips. The small fruit is 2.8 to 3.7 millimeters wide, slightly wider than long and glandular-hairy.

Habitat: Moist streambanks, lakeshores, meadows

Bloom period: Apr-Aug

Elevation: < 3200 m

Bioregions: NW, CaR, SN, CCo, SnFrB, SnBr, SNE

California counties: Fresno, Plumas, Tulare, San Bernardino, Madera, Mono, Riverside, Butte, Mariposa, Humboldt, Inyo, Kern, Sierra, Siskiyou, El Dorado, Lake, Amador, Nevada, Modoc, Placer, Lassen, Mendocino, Tehama, Glenn, Alpine, Shasta, Colusa, Del Norte, Marin, Alameda, Santa Cruz, Tuolumne, Trinity, Santa Clara, San Francisco, Stanislaus, Yolo

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