Epilobium hallianum

Hall's willowherb

Family: Onagraceae · Type: perennial · Native

Hall's willowherb is a California native perennial found in the Klamath Ranges, northern Coast Ranges, Cascade Range, Sierra Nevada, San Francisco Bay Area, Transverse Ranges, Peninsular Ranges, and Modoc Plateau in moist meadows and streambanks at elevations of 100 to 3,700 meters. Flowering from June to September, this plant produces white to pink flowers with delicate club-like stigmas. Growing with erect stems 10 to 60 centimeters tall, it has a small underground bulb-like shoot and sparse strigose hair patterns. Its leaves vary from ovate at the base to lanceolate near the top, with ciliate edges and low dentations, measuring 5 to 45 millimeters long. The fruit is elongated, 24 to 60 millimeters long and generally hairy, with pedicels 10 to 40 millimeters in length.

Habitat: Moist meadows, streambanks

Bloom period: Jun-Sep

Elevation: 100-3700 m

Bioregions: KR, NCoR, CaR, SNH, SnFrB, TR, PR, MP

California counties: Tulare, San Bernardino, Alpine, Humboldt, Riverside, Tuolumne, Marin, Lake, Nevada, Glenn, Fresno, Modoc, Trinity, Placer, Plumas, San Diego, Tehama, Shasta, Sonoma, Siskiyou, Calaveras, Lassen, Santa Cruz, Mono, Butte, Sierra, Mendocino, Madera, Mariposa, Inyo, El Dorado, Del Norte, Colusa, Ventura, Santa Barbara, Amador

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