Allium madidum

Mountain swamp onion
Scientific classification
Kingdom:Plantae
Clade:Angiosperms
Clade:Monocots
Order:Asparagales
Family:Amaryllidaceae
Subfamily:Allioideae
Genus:Allium
Species: A. madidum
Binomial name
Allium madidum

Allium madidum, common name mountain swamp onion, is a plant species native to the west-central Idaho (Valley, Adams, and Washington Counties), southern Washington (Walla Walla County) and eastern Oregon. It grows in wet meadows at elevations of 1100–2000 m.[1][2][3]

Allium madidum produces 1-3 bulbs with as many as 30 smaller bulbels attached. The full-size bulbs are round to egg-shaped, up to 1.6 cm long. Flowers are bell-shaped, up to 10 mm across; tepals white with green or pink midveins; pollen yellow.[1][4][5]

References

  1. 1 2 Flora of North America v 26 p 255, Allium madidum
  2. ↑ BONAP (Biota of North America Project), floristic synthesis Allium madidum
  3. ↑ "Vascular Plant List, Walla Walla County, Don Knoke, 2004, Washington Native Plant Society" (PDF). Archived from the original (PDF) on 2014-03-14. Retrieved 2014-03-14.
  4. ↑ Sereno Watson. 1879. Proceedings of the American Academy of Arts and Sciences 14: 228.
  5. ↑ 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.
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