Yucca baccata var. brevifolia

L. D. Benson & R. A. Darrow

Amer. J. Bot. 30: 234. 1943.

Common names: Thornber yucca
Basionym: Yucca brevifolia Schott ex Trelease Rep. (Annual) Missouri Bot. Gard. 13: 100, plates 57–59. 1902, Yucca treleasei J. F. Macbride 1918
Synonyms: Yucca arizonica McKelvey Yucca confinis McKelvey Yucca thornberi McKelvey
Treatment appears in FNA Volume 26. Treatment on page 427.

Plants caulescent. Stems 1–24, aerial, often branched, some reaching 2 m. Leaf margins filiferous. Inflorescences arising almost completely within to mostly extending beyond rosettes; peduncle to 0.3 m.


Phenology: Flowering spring–early summer.
Habitat: Hills, mesas, flats in Sonoran Desert, desert grasslands, oak woodlands, 500–2000 m

Distribution

V26 875-distribution-map.jpg

Ariz., N.Mex., Mexico (Sonora).

Discussion

Selected References

None.

Lower Taxa

None.
William J. Hess +  and R. Laurie Robbins +
L. D. Benson & R. A. Darrow +
Yucca brevifolia +  and Yucca treleasei +
Thornber yucca +
Ariz. +, N.Mex. +  and Mexico (Sonora). +
Hills, mesas, flats in Sonoran Desert, desert grasslands, oak woodlands, 500–2000 m +
Flowering spring–early summer. +
Amer. J. Bot. +
Illustrated +
Yucca arizonica +, Yucca confinis +  and Yucca thornberi +
Yucca baccata var. brevifolia +
Yucca baccata +
variety +