familyBrassicaceae
genusDescurainia
speciesDescurainia pinnata
subspeciesDescurainia pinnata subsp. ochroleuca
Descurainia pinnata subsp. ochroleuca
Amer. Midl. Naturalist 22: 504. 1939.
Basionym: Sophia ochroleuca Wooton Bull. Torrey Bot. Club 25: 455. 1898
Synonyms: Descurainia andrenarum (Cockerell) Cory Descurainia halictorum var. andrenarum (Cockerell) O. E. Schulz Descurainia menziesii var. ochroleuca (Wooton) O. E. Schulz Descurainia pinnata var. ochroleuca (Wooton) Shinners Sisymbrium ochroleucum Cockerell Sophia andrenarum
Plants usually eglandular, rarely glandular, distinctly canescent. Stems branched basally or just distal to base, branched distally. Racemes: rachis often densely pubescent, eglandular. Fruiting pedicels divaricate to ascending, forming 30–60º angle, (4–)6–12 mm. Flowers: sepals purple or rose, 1–2 mm; petals 1.5–2 × 0.3–0.5 mm.
Phenology: Flowering mid Mar–Apr.
Habitat: Gravelly and stony hills, desert grasslands, roadsides
Elevation: 1400-2000 m
Distribution
Ariz., N.Mex., Tex., Mexico (Chihuahua).
Discussion
Selected References
None.
Lower Taxa
None.