Allium passeyi

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Allium passeyi
Scientific classification e
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Allioideae
Genus: Allium
Species: A. passeyi
Binomial name
Allium passeyi
N.H. Holmgren & A.H. Holmgren

Allium passeyi is a plant species endemic to Box Elder County in northwestern Utah. It grows in shallow, stony locations at elevations of 1400–1600 m.[1][2][3]

Allium passeyi produces 2-3 round to egg-shaped bulbs, each up to 2 cm in diameter. Flowers are bell-shaped, up to 9 mm in diameter; tepals pink; pollen yellow.[1][4][5][6]


  1. ^ a b Flora of North America v 26 p 242, Allium passeyi
  2. ^ BONAP (Biota of North America Project), floristic synthesis, Allium passeyi
  3. ^ Utah Rare Plant Guide Species Descriptions, Allium passeyi
  4. ^ Holmgren, Noel Herman & Holmgren, Arthur Hermann. 1974. Brittonia 26(3): 309–311, f. 1, 4.
  5. ^ photo of herbarium specimen at Missouri Botanical Garden, isotype of Allium passeyi'
  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.