Echinochloa colona

Jungle rice

Family: Poaceae · Type: perennial · Not Native

Jungle rice is a naturalized annual grass found in eastern Klamath Ranges, eastern North Coast Ranges Interior, southern Sierra Nevada Foothills, northern Sierra Nevada, Central Valley, Central Coast, southern San Francisco Bay Area, southwestern California, northern Desert Mountains, and Sonoran Desert in wet fields and disturbed areas at elevations below 1,400 meters. Flowering from June to September, this grass produces white spikelets 2 to 3 millimeters long with pubescent surfaces. Growing with spreading or erect stems 10 to 70 centimeters tall that can root from lower nodes, it forms tufted or mat-like clusters. Its leaf blades are 8 to 22 centimeters long and 3 to 6 millimeters wide, with smooth, glabrous leaf sheaths. The plant's inflorescences are 2 to 13 centimeters long with branches that are glabrous to sparsely strigose.

Habitat: Wet fields, disturbed areas

Bloom period: Jun-Sep

Elevation: < 1400 m

Bioregions: e KR, e NCoRI, s SNF, n SNH, GV, CCo, s SnFrB, SW, n DMtns, DSon

California counties: Kern, Alameda, Imperial, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, Santa Clara, Yolo, Ventura, Tulare, Butte, Los Angeles, Yuba, Calaveras, Stanislaus, El Dorado, San Joaquin, Nevada, Amador, Marin, Mariposa, Merced, Monterey, Solano, Sutter, San Mateo, Kings, Tehama, Glenn, Plumas, Napa, Mendocino, Santa Cruz, Contra Costa, Inyo, Sacramento, Fresno, Shasta, Madera, Placer

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