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31b. Draba cuneifolia Nuttall ex Torrey & A. Gray var. integrifolia S. Watson, Proc. Amer. Acad. Arts. 23: 256. 1888.
Draba integrifolia (S. Watson) Greene; D. sonorae Greene var. integrifolia (S. Watson) O. E. Schulz
Stems pubescent with 3- or 4-rayed trichomes. Racemes to 3/4 of scape. Fruits oblong to linear or lanceolate, (5-)7-12 mm; valves: trichomes stalked and 4-rayed, sometimes with 2- or 3-rayed ones; ovules 20-44 per ovary.
Flowering Jan-Mar. Rocky slopes and gravelly soil in desert scrub communities; 200-1800 m; Ariz., Calif., Nev., Tex., Utah; Mexico (Baja California, Nuevo León, Sonora).
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