Juncus effusus subsp. austrocalifornicus

Sonoran or baja rush, Sonoran Or Baja Rush

Family: Juncaceae · Type: perennial · Native

Sonoran rush is a California native perennial found in southwestern California and the desert regions in riparian areas, springs, and salt marsh edges at elevations below 2,400 meters. Flowering periods are not specified in the source data, with pale flowers emerging in an inflorescence 2 to 8 centimeters long. Growing with tall, smooth stems 64 to 155 centimeters high, the plant features fertile stems 2 to 3.5 millimeters wide with 14 to 22 ridges on each side and a shiny, polished upper surface. Its leaf sheaths range from 5 to 17 centimeters long, with a distinctive dark brown base that is papillate and an upper portion transitioning from green to pale brown. The fruit is small and shiny, measuring 1.7 to 1.9 millimeters long, with an elliptic-oblong shape and three distinct chambers.

Habitat: Riparian, springs, salt marsh edge

Elevation: < 2400 m

Bioregions: SW (exc ChI), DSon

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