familyBrassicaceae
genusLepidium
speciesLepidium lasiocarpum
subspeciesLepidium lasiocarpum subsp. wrightii
Lepidium lasiocarpum subsp. wrightii
Mitt. Bot. Mus. Univ. Zürich 28: 266. 1906.
Basionym: Lepidium wrightii A. Gray Smithsonian Contr. Knowl. 5(6): 15. 1853
Synonyms: Lepidium lasiocarpum var. rotundum C. L. Hitchcock Lepidium lasiocarpum var. wrightii (A. Gray) C. L. Hitchcock Lepidium nelsonii
Fruiting pedicels (0.4–)0.5–0.7 mm wide, often more than 3 times as wide as thick. Nectar glands subulate, 0.3–0.5mm. Fruit valves hispid, trichomes pustular-based. 2n = 32.
Phenology: Flowering Feb–May.
Habitat: Roadsides, rocky draws, dry washes, loose sand, stony or gravelly areas, clay flats
Elevation: 200-1100 m
Distribution
Ariz., N.Mex., Tex., Mexico (Coahuila, Tamaulipas).
Discussion
I. A. Al-Shehbaz (1986b) reported subsp. wrightii from Louisiana, but we have seen no additional material from that state, where it was likely introduced.
Selected References
None.
Lower Taxa
None.