familyBrassicaceae
genusStreptanthus
speciesStreptanthus glandulosus
subspeciesStreptanthus glandulosus subsp. niger
Streptanthus glandulosus subsp. niger
Novon 18: 280. 2008.
Basionym: Streptanthus niger Greene Bull. Torrey Bot. Club 13: 141. 1886
Synonyms: Euklisia nigra (Greene) Greene Streptanthus glandulosus var. niger (Greene) Munz
Revision as of 23:31, 5 November 2020 by imported>Volume Importer
Stems 2–11 dm, glabrous throughout. Cauline leaves: blade conduplicate distally, margins entire, surfaces glabrous. Racemes not secund; rachis flexuous. Fruiting pedicels 10–32 mm, glabrous. Flowers: sepals dark purple-black, 7–8 mm, glabrous; petals dark purple, 10–12 mm; adaxial filaments 8–10 mm. Fruits divaricate-ascending, straight; valves glabrous. 2n = 28.
Phenology: Flowering May–Jul.
Habitat: Serpentine grasslands
Discussion
Of conservation concern.
Subspecies niger is known from the Tiburon Peninsula, Marin County.
Selected References
None.
Lower Taxa
None.