Desmodium procumbens var. neomexicanum

(A. Gray) H. Ohashi

J. Jap. Bot. 88: 174. 2013.

Basionym: Desmodium neomexicanum A. Gray Smithsonian Contr. Knowl. 3(5): 53. 1852
Treatment appears in FNA Volume 11.

Herbs annual. Stems sparsely uncinate-pubescent or glabres­cent. Leaves mostly trifoliolate; leaflet blades: apex obtuse, surfaces uncinate-puberulent. Primary bracts usually persistent, 2.5–5.5 mm. Loments slightly spirally twisted; segments (1 or)2–5; stipe 0.3–2 mm. 2n = 22.


Phenology: Flowering late summer–fall.
Habitat: Mountain slopes, mesas, streamsides, grasslands, pinyon-juniper wood­lands.
Elevation: 1100–2100 m.

Distribution

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Ariz., N.Mex., Tex., Mexico (Baja California, Chihuahua, Coahuila, Durango, Guanajuato, México, Sinaloa, Sonora, Zacatecas), Central America, n South America, introduced in Asia.

Discussion

In Texas, var. neomexicanum is known from the trans-Pecos region.

Selected References

None.

Lower Taxa

None.
Hiroyoshi Ohashi +
- A. Gray H. Ohashi +
Desmodium neomexicanum +
Ariz. +, N.Mex. +, Tex. +, Mexico - Baja California +, Chihuahua +, Coahuila +, Durango +, Guanajuato +, México +, Sinaloa +, Sonora +, Zacatecas +, Central America +, n South America +  and introduced in Asia. +
1100–2100 m. +
Mountain slopes, mesas, streamsides, grasslands, pinyon-juniper woodlands. +
Flowering late summer–fall. +
J. Jap. Bot. +
Illustrated +
Meibomia procumbens +
Desmodium procumbens var. neomexicanum +
Desmodium procumbens +
variety +