Streptanthus glandulosus subsp. hoffmanii

(Kruckeberg) M. S. Mayer & D. W. Taylor

Novon 18: 280. 2008.

Basionym: Streptanthus glandulosus var. hoffmanii Kruckeberg Madroño 14: 223. 1958
Treatment appears in FNA Volume 7. Treatment on page 713. Mentioned on page 712.

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, 10–12mm; adaxial filaments 7–10 mm. Fruits spreading to reflexed, arcuate; valves sparsely pubescent or glabrous. 2n = 28.


Phenology: Flowering May–Jul.
Habitat: Serpentine or Franciscan formation outcrops

Discussion

Of conservation concern.

Subspecies hoffmanii is known from Sonoma 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."dm" is not declared as a valid unit of measurement for this property.

0.25 cm2.5 mm <br />0.0025 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
lateral +  and abaxial +
linear +  and oblong +
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Ihsan A. Al-Shehbaz +
(Kruckeberg) M. S. Mayer & D. W. Taylor +
narrowed +
Streptanthus glandulosus var. hoffmanii +
appendaged +  and unappendaged +
not +  and auriculate +
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
lyrate-pinnatifid +, dentate +  and entire +
dissected +, repand +, sinuate +, crenate +  and dentate +
auriculate to amplexicaul;linear-lanceolate;lanceolate or oblanceolate +
much smaller +  and reduced +
1 cm10 mm <br />0.01 m <br /> (15 cm150 mm <br />0.15 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
urceolate +
branched +  and simple +
petiolate +  and sessile +
well-developed +
distinct +
0.5 cm5 mm <br />0.005 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
differentiated +
emarginate +  and entire +
straight +  and curved +
not winged +  and unappendaged +
connate +  and distinct +
zygomorphic +  and actinomorphic +
latiseptate +, stipitate +  and subsessile +
curved +  and straight +
3 cm30 mm <br />0.03 m <br /> (11 cm110 mm <br />0.11 m <br />) +
spreading +  and reflexed +
flattened +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Serpentine or Franciscan formation outcrops +
sessile +  and petiolate +
alternate +, not +  and rosulate +
cauline +  and basal +
connate +  and distinct +
decurrent +
dentate +  and entire +
denticulate;entire +
tenuinucellate +, crassinucellate +  and bitegmic +
campylotropous +  and anatropous +
unequal +
lavender +  and purplish +
rudimentary +
oblong +  and ovate +
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Flowering May–Jul. +
trinucleate +  and 3(-11)-colpate +
spreading +  and ascending +
stout +  and slender +
0.2 cm2 mm <br />0.002 m <br /> (3.2 cm32 mm <br />0.032 m <br />) +
glabrous +  and pubescent +
mucilaginous +
aseriate +, uniseriate +  and biseriate +
not +  and mucilaginous +
white +, black +, brown +  and yellow +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.21 cm2.1 mm <br />0.0021 m <br />) +
ovoid +  and oblong +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
rose +  and purple +
persistent +  and caducous +
distinct +
glabrous +  and pubescent +
not keeled +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
reduced +
latiseptate +, schizocarpic +, samaroid +  and lomentaceous +
indehiscent +  and dehiscent +
angustiseptate +, flat +, angled +, terete +, torulose +, not +, segmented +  and nutletlike +
tetradynamous +
branched +  and unbranched +
procumbent +  and decumbent +
ascending +  and erect +
subentire +
subsessile +, sessile +  and petiolate +
persistent +
distinct +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Erysimum glandulosum +  and Euklisia glandulosa +
Streptanthus glandulosus subsp. hoffmanii +
Streptanthus glandulosus +
subspecies +
dendritic +  and simple +
coiled +, 1-7-veined +  and veined +
glabrous +  and pubescent +
anastomosing +
glabrous +  and hirsute +
perennial +, biennial +  and annual +
subshrub +  and shrub +
aquatics +  and terrestrial +
glabrous +  and pubescent +
0.1mm;0.5mm +