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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Ordo: Asparagales

Familia: Amaryllidaceae
Subfamilia: Allioideae
Tribus: Allieae
Genus: Allium
Species: Allium perdulce

Allium perdulce S.V.Fraser

USDA, NRCS. 2006. The PLANTS Database, 6 March 2006 ( Data compiled from various sources by Mark W. Skinner. National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

Vernacular names

Allium perdulce, the Plains onion, is a plant species native to the central part of the United States and cultivated as an ornamental elsewhere.[1] It has been found in Texas, New Mexico, Oklahoma, Kansas, Nebraska, South Dakota, and one county in western Iowa (Woodbury County).[2][3]

Allium perdulceproduces 2-20 bulbs, each up to 3 cm (1.2 inches) in diameter. Flowers are urn-shaped, up to 10 mm (0.4 inches) across; tepals deep rose to purple (except in var. sperryi; see below); pollen yellow.[2][4][5][6]

Two varieties are recognized:[2][7]

Allium perdulce var. perdulce
Allium perdulce var. sperryi Ownbey[8][9][10]

Var. sperryi is a color variant known only from western Texas in the trans-Pecos region. It has white to pale pink flowers instead of the more widespread deep rose to purple.[2]

"Gardening Europa, Allium perdulce". Archived from the original on 2014-03-14. Retrieved 2014-03-14.
Flora of North America, Allium perdulce
BONAP (Biota of North America Program), 2014 county distribution map, Allium perdulce
Fraser, Samuel Victorian. 1940. Transactions of the Kansas Academy of Science 42: 124–126.
Great Plains Flora Association. 1986. Flora of the Great Plains i–vii, 1–1392. University Press of Kansas, Lawrence.
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.
The Plant List
Ownbey, Francis Marion. 1950. Research Studies of the State College of Washington 18(4): 202–203, f. 4.
Traub, Hamilton Paul, & Ownbey, Francis Marion. 1967. Plant Life 23: 110.
photo of herbarium specimen at Missouri Botanical Garden, isotype of Allium perdulce var. sperryi

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Biology Encyclopedia

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