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
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.
"elongated" is not a number."thick" is not a number."dm" is not declared as a valid unit of measurement for this property.
... more about "Streptanthus glandulosus subsp. niger"
lateral +
sterile +
hypogynous +
dithecal +
dehiscing +
fertile +
petiolate +
not rosulate +
opposite +
absent +
narrowed +
conduplicate +
auriculate to amplexicaul;linear-lanceolate;lanceolate or oblanceolate +
absent +
urceolate +
woody +
well-developed +
distinct +
absent +
differentiated +
wider +
accumbent +
3[2]-fid +
absent +
Calif. +
absent +
median +
dilated +
bisexual +
divaricate +
straight +
arcuate +
dehiscent +
divaricate-ascending +
flattened +
distinct +
absent +
racemose +
pungent +
watery +
absent +
connivent +
spreading +
decurrent +
crisped;coarsely dentate;more or less lobed +
absent +
1-seeded +
prominent +
confluent +
receptacular +
variable +
eseptate +
parietal +
apical +
22;70 +
decussate +
absent +
hypogynous +
alternate +
dark purple +
absent +
rudimentary +
2-carpellate +
3-colpate +
Novon +
2008 +
not secund +
divaricate +
flexuous +
glabrous +
10mm;32mm +
coiled +
accumbent +
conduplicate +
incumbent +
tiny +
straight +
indistinct +
rounded +
slender +
mucilaginous +
winged +
uniseriate +
saccate +
dark purple-black +
distinct +
erect +
lateral +
glabrous +
not keeled +
complete +
absent +
reduced +
longitudinal +
Endemic +
tetradynamous +
equal +
prostrate +
glabrous +
subentire +
absent +
persistent +
distinct +
absent +
obsolete +
glabrous +
Streptanthus glandulosus subsp. niger +
Streptanthus glandulosus +
subspecies +
stellate +
absent +
forked +
dehiscing +
glabrous +
anastomosing +
not scapose +
annual +
eglandular +
submerged +
continuous +
0.1mm;0.5mm +