Allium rotundum

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round-headed leek
purple-flowered garlic
Allium rotundum 290608.jpg
Allium rotundum
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Allioideae
Genus: Allium
A. rotundum
Binomial name
Allium rotundum
L. 1762 not All. 1785 nor Wimm. & Grab. 1824

Allium rotundum, common name round-headed leek or purple-flowered garlic, is a Eurasian and North African species of wild onion. Its native range extends from Spain and Morocco to Iran and European Russia.[2] It is sparingly naturalized in parts of the United States (Michigan and Iowa).[3] The species grows in disturbed habitats such as roadsides, cultivated fields, etc.[4][5][6][7][8][9]

Allium rotundum produces large clumps of as many as 50 egg-shaped bulbs, each up to 1.5 cm long. Leaves are up to 40 cm long. Scapes are up to 90 cm tall. Umbels look round from a distance, and can contain as many as 200 flowers. Flowers are bell-shaped, up to 7 mm across; tepals purple, sometimes with white margins; anthers yellow or purple; pollen yellow or white.[4][10][11]


  1. ^ The Plant List
  2. ^ Kew World Checklist of Selected Plant Families
  3. ^ BONAP (Biota of North America Program) 2013 county distribution map, Allium rotundum
  4. ^ a b Flora of North America v 26 p 244, Allium rotundum
  5. ^ Komarov, V.L. (ed.) (1935). Flora SSSR 4: 1-586. Izdatel'stov Akademii Nauk SSSR, Leningrad.
  6. ^ Maire, R. (1958). Flore de l'Afrique du Nord 5: 1-307. Paul Lechevalier, Paris.
  7. ^ Davis, P.H. (ed.) (1984). Flora of Turkey and the East Aegean Islands 8: 1-632. Edinburgh University Press, Edinburgh.
  8. ^ Townsend, C.C. & Guest, E. (eds.) (1985). Flora of Iraq 8: 1-440. Ministry of Agriculture & Agrarian Reform, Baghdad.
  9. ^ Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
  10. ^ Voss, E. G. 1972. Gymnosperms and Monocots. i–xv, 1–488. In Michigan Flora. Cranbrook Institute of Science, Bloomfield Hills, Michigan.
  11. ^ Linnaeus, Carl von. 1762. Species Plantarum, Editio Secunda 1: 423–424.