Allium macropetalum

desert onion
Scientific classification
Kingdom:	Plantae
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Amaryllidaceae
Subfamily:	Allioideae
Genus:	Allium
Species:	A. macropetalum
Binomial name
Allium macropetalum M. E. Jones ex Ownbey
Synonyms[1][2]
Allium deserticola (M.E. Jones) Wooton & Standl. Allium reticulatum var. deserticola M.E. Jones

Allium macropetalum, the desert onion, is a species of wild onion native to the desert regions of southwestern United States and northwestern Mexico. It is known from desert plains and hills in Sonora, Arizona, Utah, Colorado, New Mexico, and Texas,^[3] at elevations up to 2500 m.^[4][5]

Allium macropetalum forms egg-shaped bulbs up to 2.5 cm long. Flowers are bell-shaped, pink to purple, up to 12 mm across, with yellow or purple anthers.^{[4][6][7][8][9][10][11]}

References

1. The Plant List
2. Tropicos
3. Kew World Checklist of Selected Plant Families
4. Flora of North America v 26 p 248, Allium macropetalum
5. BONAP (Biota of North America Project) 2013 county distribution map Allium macropetalum
6. Cronquist, A.J., A. H. Holmgren, N. H. Holmgren & Reveal. 1977. Vascular Plants of the Intermountain West, U.S.A. 6: 1–584. In A.J. Cronquist, A. H. Holmgren, N. H. Holmgren, J. L. Reveal & P. K. Holmgren (eds.) Intermountain Flora. Hafner Pub. Co., New York.
7. Correll, D. S. & M. C. Johnston. 1970. Manual of the Vascular Plants of Texas i–xv, 1–1881. The University of Texas at Dallas, Richardson.
8. Shreve, F. & I. L. Wiggins. 1964. Vegetation and Flora of the Sonoran Desert. 2 vols. Stanford University Press, Stanford.
9. Rydberg, Per Axel. 1904. Bulletin of the Torrey Botanical Club 31(7): 401–402.
10. Wooton, Elmer Ottis & Standley, Paul Carpenter. 1913. Contributions from the United States National Herbarium 16(4): 114.
11. Jones, Marcus Eugene. 1902. Contributions to Western Botany 10: 30, f. 60.