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Chorizanthe brevicornu var. brevicornu
Torrey
Family:
Polygonaceae
brittle spineflower
Gregory Gust
FNA
Resources
James L. Reveal in Flora of North America (vol. 5)
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.
2
n
= 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.
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Gregory Gust
Gregory Gust
Gregory Gust
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