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]
^Komarov, V.L. (ed.) (1935). Flora SSSR 4: 1-586. Izdatel'stov Akademii Nauk SSSR, Leningrad.
^Maire, R. (1958). Flore de l'Afrique du Nord 5: 1-307. Paul Lechevalier, Paris.
^Davis, P.H. (ed.) (1984). Flora of Turkey and the East Aegean Islands 8: 1-632. Edinburgh University Press, Edinburgh.
^Townsend, C.C. & Guest, E. (eds.) (1985). Flora of Iraq 8: 1-440. Ministry of Agriculture & Agrarian Reform, Baghdad.
^Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
^Voss, E. G. 1972. Gymnosperms and Monocots. i–xv, 1–488. In Michigan Flora. Cranbrook Institute of Science, Bloomfield Hills, Michigan.