Allium atroviolaceum Boiss. - Black-violet leek.

Taxonomic position.

Family Alliaceae J.Agardh genus Allium L.


A. ampeloprasum var. atroviolaceum Regel., A. atroviolaceum var. caucasicum Somm. & Lev.

Morphology and biology.

Herbaceous, perennial, bulbous plant. Bulb is ovoid-globular with grayish-brown, indistinct, reticular outer tunics. Numerous alternate bulbils are yellow-brown or yellowish, dull. Stem is 60-100 cm in length, with smooth leaf sheaths 0.25-0.5 cm long. Leaves are 4-5 in number, broadly linear, non-fistular. Umbel is globular, polyanthous, dense. Pedicels are 3-6 times longer than the perianth and vary in length, the inner ones twice as long as the outer. Sepals are dark purple-violet, less frequently dirty green, almost identical in size, 3-4 mm long, glossy, obtuse. Filaments, ciliate at the base, are 0.25 or 1.25 times longer than the sepals. Blossoms in June/July. Entomophilous. Propagated by seed or bulbs.


Crimea, Caucasus (Ante-Caucasus, Daghestan, Trans-Caucasus), Middle Asia (Mountainous Turkmenistan, Syr-Darya foothill areas), and Iran.


Grows in mid-mountain zones on dry sites and rocks, in crop fields, orchards and vineyards, as well as in weedy places. Prefers clay soils.

Utilization and economic value.

Used as food (vegetable), as a source of vitamins, and nfor ornamental purposes (landscaping flowerbeds and rock gardens). Useful properties of this species have not been studied adequately.

Reference citations:

Fedchenko, B.A. & M.G. Popova, eds. 1932. Flora of Turkmenia. Issue 2. Leningrad: Publishing House of the USSR Academy of Sciences. V. 1: 283-284. (In Russian)
Grossgeim, A.A. 1940. Flora of the Caucasus. Baku: Publishing House AzFAS. V. 2: 120. (In Russian)
Vvedensky, A.I. 1935. Onion-Allium L. In: Flora of the USSR. Leningrad: Publishing House of the USSR Academy of Sciences. V. 4: 252. (In Russian)

© I.G. Chukhina, T.A. Sinicina.


Web design —
Kelnik studios