Descurainia pinnata subsp. ochroleuca

(Wooton) Detling

Amer. Midl. Naturalist 22: 504. 1939.

Basionym: Sophia ochroleuca Wooton Bull. Torrey Bot. Club 25: 455. 1898
Synonyms: Descurainia andrenarum (Cockerell) Cory Descurainia halictorum var. andrenarum (Cockerell) O. E. Schulz Descurainia menziesii var. ochroleuca (Wooton) O. E. Schulz Descurainia pinnata var. ochroleuca (Wooton) Shinners Sisymbrium ochroleucum Cockerell Sophia andrenarum
Treatment appears in FNA Volume 7. Treatment on page 528. Mentioned on page 527.

Plants usually eglandular, rarely glandular, distinctly canescent. Stems branched basally or just distal to base, branched distally. Racemes: rachis often densely pubescent, eglandular. Fruiting pedicels divaricate to ascending, forming 30–60º angle, (4–) 6–12 mm. Flowers: sepals purple or rose, 1–2 mm; petals 1.5–2 × 0.3–0.5 mm.


Phenology: Flowering mid Mar–Apr.
Habitat: Gravelly and stony hills, desert grasslands, roadsides
Elevation: 1400-2000 m

Distribution

V7 833-distribution-map.gif

Ariz., N.Mex., Tex., Mexico (Chihuahua)

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.

0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
oblong +  and ovate +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
Barbara E. Goodson +  and Ihsan A. Al-Shehbaz +
(Wooton) Detling +
Sophia ochroleuca +
appendaged +  and unappendaged +
not auriculate +
dissected +, repand +, sinuate +, crenate +  and dentate +
oblong;oblanceolate +
smaller +
1 cm10 mm <br />0.01 m <br /> (15 cm150 mm <br />0.15 m <br />) +
urceolate +, campanulate +  and tubular +
branched +  and simple +
petiolate +  and sessile +
well-developed +
distinct +
not +  and differentiated +
emarginate +  and entire +
Ariz. +, N.Mex. +, Tex. +  and Mexico (Chihuahua) +
1400-2000 m +
straight +  and curved +
not winged +  and unappendaged +
connate +  and distinct +
actinomorphic +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
oblanceolate +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
1.3 cm13 mm <br />0.013 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
erect +  and ascending +
not torulose +  and clavate +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
Gravelly and stony hills, desert grasslands, roadsides +
oblanceolate;ovate +
sessile +  and petiolate +
alternate +, not +  and rosulate +
cauline +  and basal +
connate +  and distinct +
decurrent +
dentate +  and entire +
toothed;entire +
0.1 cm1 mm <br />0.001 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
tenuinucellate +, crassinucellate +  and bitegmic +
campylotropous +  and anatropous +
white +  and yellow +
1.5mm;2mm +
rudimentary +
oblong +, oblanceolate +  and obovate +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (3.6 cm36 mm <br />0.036 m <br />) +
Flowering mid Mar–Apr. +
trinucleate +  and 3(-11)-colpate +
Amer. Midl. Naturalist +
bracteate;ebracteate +
1.8 cm18 mm <br />0.018 m <br /> (2.3 cm23 mm <br />0.023 m <br />) +
recurved +, descending +, horizontal +  and ascending +
slender +
0.4 cm4 mm <br />0.004 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
mucilaginous +
not +  and mucilaginous +
reddish-brown +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
rose +  and purple +
persistent +  and caducous +
distinct +
spreading +  and ascending +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
reduced +
terete +, torulose +, obovoid +, ellipsoid +, fusiform +, clavate +, oblong +  and linear +
terete +, torulose +, obovoid +, ellipsoid +, fusiform +, clavate +, oblong +  and linear +
tetradynamous +
procumbent +  and decumbent +
2-lobed +, entire +, conical +  and capitate +
subsessile +, sessile +  and petiolate +
persistent +
distinct +
0.002 cm0.02 mm <br />2.0e-5 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
Descurainia andrenarum +, Descurainia halictorum var. andrenarum +, Descurainia menziesii var. ochroleuca +, Descurainia pinnata var. ochroleuca +, Sisymbrium ochroleucum +  and Sophia andrenarum +
Descurainia pinnata subsp. ochroleuca +
Descurainia pinnata +
subspecies +
coiled +, 1-7-veined +  and veined +
pubescent +  and glabrous +
anastomosing +
eglandular +  and glandular +
not +, canescent +, glabrous +  and pubescent +
perennial +, biennial +  and annual +
aquatics +  and terrestrial +