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FNA | Family List | FNA Vol. 7 | Brassicaceae | Descurainia

11c. Descurainia pinnata (Walter) Britton subsp. ochroleuca (Wooton) Detling, Amer. Midl. Naturalist. 22: 504. 1939.

Sophia ochroleuca Wooton, Bull. Torrey Bot. Club 25: 455. 1898; Descurainia andrenarum (Cockerell) Cory; D. halictorum (Cockerell) O. E. Schulz var. andrenarum (Cockerell) O. E. Schulz; D. menziesii (de Candolle) O. E. Schulz var. ochroleuca (Wooton) O. E. Schulz; D. pinnata var. ochroleuca (Wooton) Shinners; Sisymbrium ochroleucum (Wooton) K. Schumann; Sophia andrenarum Cockerell

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.

Flowering mid Mar-Apr. Gravelly and stony hills, desert grasslands, roadsides; 1400-2000 m; Ariz., N.Mex., Tex.; Mexico (Chihuahua).


 

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