Allium macropetalum Rydb.

• Region

  North America

• Country

  United States of America

• State/Province

  Arizona

• County/Municipio

  Gila Co.

• Locality

  Tonto National Forest; Greenback Creek Quad map; Twin Buttes in Tonto Basin, about 2 air miles north of the northern tip of Theodore Roosevelt Reservoir, east of Tonto Creek; about 1 mile southeast along A-Cross Rd. (also known as FR 60) after it crosses Tonto Creek. At base of the southeast side of the buttes. Sonoran Desert.

• Elevation

  Alt. 738 m. (2421 ft.)

• Coordinates

  33.7884, -111.228

• Location Notes

  [US & Canada]

• Distribution

  Map all specimens of this taxon

03
ys. 2*
Plants of Arizona
Terrestrial Ecosystems Survey, Tonto National Forest
Allium macropetalum Rydb. *
Family: Liliaceae
Symbol: ALMA4
Common name: largeflower onion
Locality: Arizona, Gila County;
Tonto National Forest; Greenback Creek Quad map; Twin Buttes in Tonto
Basin, about 2 air miles north of the northern tip of Theodore Roosevelt
Reservoir, east of Tonto Creek; about 1 mile southeast along A-Cross Rd.
(also known as FR 60) after it crosses Tonto Creek. At base of the southeast
side of the buttes, N 33° 47.306' W 1110 13.683' 2420 ft.
Habitat: Sonoran Desert, open area with scattered shrubs, most cover
herbacous annuals, especially Texas stork's bill; soils - Ustertic Haplargids fine,
smectitic thermic; high clay, skeletal
Associated spp: Simmondsia chinensis, Lycium, Ziziphus obtusifolia, Opuntia
engelmannii, Cylindropuntia acanthacarpa, Parkinsonia microphylla, Prosopis
velutina, Sphaeralcea, annuals: Erodium texanum, E. cicutarium, Lupinus
sparsiflorus, Lesquerella gordonii, Plagiobothrys arizonicus, Bromus rubens,
Lotus spp., Platago spp., Eriogonum spp., Amsinckia, Cryptantha
Notes: bulbous perennial flowers cream with maroon midrib, occasional
Origin: native
Collected by: Elizabeth Makings 2008 8 April 2005
with; Pat Boness, Andrew Casillas
03763728