Allium rotundum

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]

round-headed leek
purple-flowered garlic
Allium rotundum
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Allioideae
Genus: Allium
Species:
A. rotundum
Binomial name
Allium rotundum
L. 1762 not All. 1785 nor Wimm. & Grab. 1824
Synonyms[1]

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]

References
  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. 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.
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