familyBrassicaceae
genusDescurainia
speciesDescurainia pinnata
subspeciesDescurainia pinnata subsp. glabra
Descurainia pinnata subsp. glabra
Amer. Midl. Naturalist 22: 507. 1939.
Basionym: Sophia glabra Wooton & Standley Contr. U.S. Natl. Herb. 16: 127. 1913
Synonyms: Descurainia pinnata var. glabra (Wooton & Standley) Shinners
Plants eglandular, not canescent. Stems unbranched basally, branched distally. Racemes: rachis glabrous, eglandular. Fruiting pedicels divaricate to horizontal or descending, forming 70–90 (–100) º angle, 4–10 (–15) mm. Flowers: sepals rose (at least apically), 0.8–1.5 mm; petals 1–1.8 × 0.3–0.7 mm.
Phenology: Flowering Feb–Apr(-Jun).
Habitat: Sandy washes and beds, scrub and bush communities, granitic sand, under junipers, oak and pine woodlands, stream beds, sagebrush, floodplains, limestone outcrops
Elevation: 300-2400 m
Distribution
Ariz., Calif., Nev., N.Mex., Utah, Mexico (Baja California), Mexico (Chihuahua), Mexico (Coahuila), Mexico (Hidalgo), Mexico (Sonora)
Discussion
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.
... more about "Descurainia pinnata subsp. glabra"
hypogynous +
70;90 +
dithecal +
dehiscing +
petiolate +
rosulate +
opposite +
absent +
1-pinnate +
not auriculate +
oblong;oblanceolate +
smaller +
absent +
woody +
well-developed +
distinct +
absent +
obsolete +
accumbent +
incumbent +
3[2]-fid +
absent +
narrower +
absent +
median +
dilated +
actinomorphic +
bisexual +
oblanceolate +
sessile +
dehiscent +
distinct +
absent +
Sandy washes and beds, scrub and bush communities, granitic sand, under junipers, oak and pine woodlands, stream beds, sagebrush, floodplains, limestone outcrops +
racemose +
pungent +
watery +
oblanceolate;ovate +
absent +
connivent +
spreading +
decurrent +
toothed;entire +
absent +
1-seeded +
distinct +
confluent +
receptacular +
variable +
eseptate +
parietal +
apical +
16;40 +
decussate +
unicellular +
clavate +
absent +
hypogynous +
alternate +
1mm;1.8mm +
absent +
rudimentary +
2-carpellate +
3-colpate +
Amer. Midl. Naturalist +
1939 +
bracteate;ebracteate +
divaricate +
straight +
slender +
eglandular +
glabrous +
coiled +
accumbent +
conduplicate +
incumbent +
tiny +
indistinct +
rounded +
slender +
mucilaginous +
wingless +
biseriate +
reddish-brown +
oblong +
saccate +
rose +
distinct +
lateral +
pubescent +
oblong +
not veined +
absent +
reduced +
sessile +
dehiscent +
sessile +
dehiscent +
longitudinal +
tetradynamous +
equal +
prostrate +
erect +
capitate +
absent +
persistent +
distinct +
absent +
obsolete +
glabrous +
pubescent +
Descurainia pinnata subsp. glabra +
Descurainia pinnata +
subspecies +
dendritic +
mixed +
stellate +
absent +
forked +
dehiscing +
anastomosing +
annual +
eglandular +
submerged +
not canescent +
divaricate +