Chorizanthe brevicornu var. brevicornu Torrey
Family: Polygonaceae
brittle spineflower
Chorizanthe brevicornu var. brevicornu image
Gregory Gust  
Plants 0.5-3(-5) × 0.5-3 dm. Leaf blades oblanceolate to narrowly elliptic, 1.5-3(-4) × 0.1-0.3(-0.5) cm, apex acute. Involucres distinctly and prominently ribbed at maturity. 2n = 38, 40, 42, (46). Flowering Feb-Jul. Sandy places, mixed grassland, saltbush, creosote bush, and sagebrush communities, pinyon-juniper woodlands; -60-3000 m; Ariz., Calif., Nev.; Mexico (Baja California, Sonora). Variety brevicornu is known only from the warm Mojave and Sonoran deserts.

Chorizanthe brevicornu var. brevicornu image
Gregory Gust  
Chorizanthe brevicornu var. brevicornu image
Gregory Gust  
Chorizanthe brevicornu var. brevicornu image
Gregory Gust  
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image
Chorizanthe brevicornu var. brevicornu image