Juncus articulatus subsp. articulatus

Jointed rush, Jointed Rush

Family: Juncaceae · Type: perennial · Native

Jointed rush is a native perennial found in coastal, northern California, Klamath Ranges, northern Sierra Nevada, and desert mountain regions in moist ground, seeps, shores, and marshes at elevations below 2,000 meters. Flowering from summer to fall, this rush produces green to dark brown flowers in small clusters with 3 to 12 blossoms. Growing 10 to 60 centimeters tall with erect or ascending stems that root at nodes, it forms a short, branching rhizome. Its cauline leaves are cylindric or occasionally flattened, 5 to 10 centimeters long with loose sheaths and rounded appendages. The fruit is dark brown to black, three-angled, and longer than the perianth, with tiny oblong seeds.

Habitat: Moist ground, seeps, shores, marshes

Elevation: < 2000 m

Bioregions: NCo, KR, NCoRO, CaR, n SN, s SNF, GV, SnFrB, SCoRO, SnBr, DMoj

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