Panicum hillmanii

Hillman's panic grass

Family: Poaceae · Type: annual · Not Native

Hillman's panic grass is a naturalized annual grass found in northern California Coast Ranges, Sierra Nevada foothills, Sierra Nevada, Central Valley, southern California, Peninsular Ranges, and desert regions in disturbed areas and roadsides at elevations below 1,200 meters. Flowering from May to October, this grass produces pale green to green-brown spikelets approximately 2.3 to 3 millimeters long with delicate branching inflorescences. Growing with erect stems 20 to 70 centimeters tall, it has rough-hairy leaf sheaths and slender green stems. Its leaf blades are 8 to 15 centimeters long, 4 to 12 millimeters wide, with short soft hairs on the upper surface and ciliate membrane ligules. The spikelets have distinctive lower glumes 1 to 1.5 millimeters long with 3 to 5 veins and acute tips.

Habitat: Disturbed areas, roadsides, fields

Bloom period: May-Oct

Elevation: < 1200 m

Bioregions: NCoR, SNF, SNH, GV, SCo, PR, DSon

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