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

17c. Streptanthus glandulosus Hooker subsp. hoffmanii (Kruckeberg) M. S. Mayer & D. W. Taylor, Novon. 18: 280. 2008.

Streptanthus glandulosus var. hoffmanii Kruckeberg, MadroƱo 14: 223. 1958

Stems 1.5-4.5(-7) dm, densely hirsute proximally, sparsely to moderately so distally. Cauline leaves: blade flat distally, margins entire or denticulate, surfaces moderately to sparsely hirsute. Racemes secund; rachis straight. Fruiting pedicels 5-15 mm, sparsely pubescent or glabrous. Flowers: sepals lavender or rose to purple, 6-7 mm, sparsely pubescent or glabrous; petals lavender to purplish, 10-12 mm; adaxial filaments 7-10 mm. Fruits spreading to reflexed, arcuate; valves sparsely pubescent or glabrous. 2n = 28 .

Flowering May-Jul. Serpentine or Franciscan formation outcrops; of conservation concern; Calif.

Subspecies hoffmanii is known from Sonoma County.


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