Epilobium torreyi

Narrow boisduvalia

Family: Onagraceae · Type: annual · Native

Narrow boisduvalia is a California native annual found in northwestern California (excluding North Coast), Cascade Range, Sierra Nevada, Central Valley, San Francisco Bay Area, southern Coastal Range, Modoc Plateau, and southwestern Mojave Desert in seasonally moist streambanks, seeps, and roadside ditches at elevations of 50 to 2,600 meters. Flowering from May to August, this plant produces pink or white flowers in small, delicate clusters with petals 1 to 3.2 millimeters long. Growing 15 to 65 centimeters tall with a taproot and gray spreading hairs that peel near the base, it has an upright and somewhat wispy form. Its leaves are opposite only near the base, lance-linear, 5 to 45 millimeters long, and covered in fine hairs. The fruit is a slender, cylindric capsule 8 to 14 millimeters long that is flexible and dehiscent to the base.

Habitat: Seasonally moist streambanks, seeps, roadside ditches

Bloom period: May-Aug

Elevation: 50-2600 m

Bioregions: NW (exc NCo), CaR, SN, GV, SnFrB, SCoRO, MP, sw DMoj

California counties: Butte, Shasta, San Bernardino, Tehama, Nevada, Monterey, Lake, Kern, Madera, Santa Cruz, El Dorado, Modoc, Fresno, Plumas, Yuba, Tuolumne, Sacramento, Amador, Santa Clara, Sonoma, Calaveras, Placer, Sutter, Merced, Colusa, Glenn, Lassen, Solano, Napa, Mariposa, Humboldt, Tulare, Contra Costa, Mendocino, Stanislaus, San Joaquin, Trinity, San Mateo, San Luis Obispo, Ventura, Santa Barbara, Sierra

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