Juncus bolanderi

Bolander's rush

Family: Juncaceae · Type: perennial · Native

Bolander's rush is a California native perennial found in northwestern California, the high Cascade Range, central coastal California, and San Francisco Bay Area in swampy or sandy ground at elevations below 1,600 meters. Flowering from late spring to summer, this rush produces dark to light brown flowers in dense clusters of over 20 blooms. Growing with stout, creeping rhizomes and reaching 30 to 80 centimeters tall, it develops cylindric leaves 10 to 20 centimeters long and less than 1.5 millimeters wide. Its leaves are characterized by basal scale-like structures and cauline leaves with scarious sheath appendages 3 to 5 millimeters long. The plant produces oblong fruits with short beaks, roughly equal in length to the perianth parts.

Habitat: Swampy or sandy ground

Elevation: < 1600 m

Bioregions: NW, CaRH, CCo, SnFrB

California counties: Humboldt, Mendocino, Del Norte, Lake, Marin, Santa Clara, Siskiyou, Sonoma, Trinity, Shasta, Colusa, Tehama, Napa, San Mateo

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