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Allium cernuum

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Allium cernuum

lady's leek or nodding onion
Allium cernuum in Anacortes, Washington
Scientific classification
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Allioideae
Genus: Allium
Species: A. cernuum
Binomial name
Allium cernuum
Roth
Synonyms[1][2]
  • Allium alatum Schreb. ex Roth
  • Allium allegheniense Small
  • Allium cernuum f. alba J.K.Henry
  • Allium cernuum subsp. neomexicanum (Rydb.) Traub & Ownbey
  • Allium cernuum var. neomexicanum (Rydb.) J.F.Macbr.
  • Allium cernuum f. obtusum Cockerell
  • Allium cernuum var. obtusum (Cockerell) Cockerell
  • Allium cernuum subsp. obtusum (Cockerell) Traub & Ownbey
  • Allium cernuum var. obtusum Cockerell ex J.F. Macbr.
  • Allium neomexicanum Rydb.
  • Allium nutans Schult. & Schult.f.
  • Allium oxyphilum Wherry
  • Allium recurvatum Rydb.
  • Allium tricorne Poir.
  • Calliprena cernua (Roth) Salisb.
  • Cepa cernua (Roth) Moench
  • Gynodon cernuum (Roth) Raf.
  • Gynodon elliotii Raf.
  • Gynodon rupestre Raf.

Allium cernuum, known as nodding onion or lady's leek, is a perennial plant in the genus Allium. It grows in dry woods, rock outcroppings, and prairies. It has been reported from much of the United States, Canada and Mexico including in the Appalachian Mountains from Alabama to New York State, the Great Lakes Region, the Ohio and Tennessee River Valleys, the Ozarks of Arkansas and Missouri, and the Rocky and Cascade Mountains of the West, from Mexico to Washington. It has not been reported from California, Nevada, Florida, Louisiana, Mississippi, New Jersey, Delaware, New England, or much of the Great Plains. In Canada, it grows from Ontario to British Columbia.[3][4][5][6][7][8]

Allium cernuum has an unsheathed slender conical bulb which gradually tapers directly into several keeled grass-like leaves (2–4 mm wide). Each mature bulb bears a single flowering stem, which terminates in a downward nodding umbel of white or rose flowers. Flowers appear in July or August. They are bell-shaped, about 5 mm across, pink or white with yellow pollen and yellow anthers. The flowers mature into spherical crested fruits which later split open to reveal the dark shiny seeds. This plant does not have bulblets in the inflorescence.[3][9][10][11][12][13][14][15]

Uses

Allium cernuum is edible and has a strong onion flavor, and has often been used in cooking. This species is also cultivated in many places. for its attractive flowers.[16]

References

  1. ^ Tropicos
  2. ^ The Plant List
  3. ^ a b Allium cernuumFlora of North America v 26 p 247,
  4. ^ Allium cernuumBONAP (Biota of North America Program) floristic synthesis,
  5. ^ USDA PLANTS Profile
  6. ^ IPNI Listing
  7. ^ Brako, L., A.Y. Rossman & D.F. Farr. 1995. Scientific and Common Names of 7,000 Vascular Plants in the United States 1–294.
  8. ^ CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, Mexico City.
  9. ^ Illinois Wildflowers
  10. ^ Roth, Albrecht Wilhelm. 1798. Archiv für die Botanik 1(3): 40.
  11. ^ Gleason, H. A. & A.J. Cronquist. 1991. Manual of the Vascular Plants of Northeastern United States and Adjacent Canada (ed. 2) i–910. New York Botanical Garden, Bronx.
  12. ^ 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.
  13. ^ Hitchcock, C. H., A.J. Cronquist, F. M. Ownbey & J. W. Thompson. 1969. Vascular Cryptogams, Gymnosperms, and Monocotyledons. 1: 1–914. In C. L. Hitchcock, Vascular Plants of the Pacific Northwest. University of Washington Press, Seattle.
  14. ^ Radford, A. E., H. E. Ahles & C. R. Bell. 1968. Manual of the Vascular Flora of the Carolinas i–lxi, 1–1183. University of North Carolina Press, Chapel Hill
  15. ^ Moss, E. H. 1983. Flora of Alberta (ed. 2) i–xii, 1–687. University of Toronto Press, Toronto.
  16. ^ Bailey, L.H. & E.Z. Bailey. 1976. Hortus Third i–xiv, 1–1290. MacMillan, New York.

External links

Media related to at Wikimedia Commons Data related to Allium cernuum at Wikispecies

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