familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusChorizanthe
subgenusChorizanthe subg. Amphietes
sectionChorizanthe sect. Fragile
speciesChorizanthe brevicornu
Chorizanthe brevicornu var. spathulata
in C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. 2: 103. 1964.
Common names: Great Basin brittle spineflower
Endemic
Basionym: Chorizanthe spathulata Small ex Rydberg Bull. Torrey Bot. Club 39: 309. 1912
Synonyms: Chorizanthe brevicornu subsp. spathulata (Small ex Rydberg) Munz
Plants 0.5–2(–3) × 0.5–2 dm. Leaf blades broadly oblanceolate to broadly spatulate, 1–2 × 0.5–1 cm, apex round. Involucres obscurely ribbed at maturity. 2n = 38.
Phenology: Flowering Apr–Jul.
Habitat: Sandy to gravelly places, mixed grassland, saltbush, blackbrush, and sagebrush communities, pinyon and/or juniper woodlands
Elevation: 700-2900(-3100) m
Distribution
Calif., Idaho, Nev., Oreg.
Discussion
Variety spathulata is known only from the cold deserts of the Intermountain West.
Selected References
None.
Lower Taxa
None.
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