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

17d. Streptanthus glandulosus Hooker subsp. josephinensis Al-Shehbaz & M. S. Mayer, Novon. 18: 280. 2008.

Stems moderately hirsute proximally, glabrous distally, 1.7-3.8 dm. Cauline leaves: blade flat distally, margins dentate, surfaces sparsely hirsute. Racemes secund; rachis straight. Fruiting pedicels 5-10 mm, glabrous or sparsely pubescent. Flowers: sepals white or cream, 3-5 mm, glabrous or sparsely pubescent; petals white (with purple veins), 7-8 mm; adaxial filaments 5-6 mm. Fruits divaricate-ascending, straight or curved inwards; valves glabrous or sparsely pubescent.

Flowering Jun-Jul. Serpentine areas; of conservation concern; Oreg.

Subspecies josephinensis, known from Josephine County, is disjunct from the white-flowered Californian subspecies. R. C. Rollins (1993) and R. E. Buck et al. (1993) attributed the Oregonian plants to subspp. glandulosus and secundus, respectively.


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