Allium leucocephalum Turcz. ex Ledeb.

Bulb solitary or paired, subcylindric, 0.6--1.3 cm in diam.; tunic dark yellowish brown, reticulate. Leaves shorter than scape, (1--)2--5 mm wide, semiterete, fistulose, adaxially channeled, smooth. Scape 20--50(--60) cm, terete, covered with leaf sheaths for ca. 1/3 its length. Spathe 2-valved, persistent. Umbel globose, densely many flowered. Pedicels subequal, slightly less than to 1.5 × as long as perianth, bracteolate. Perianth white or slightly tinged with yellow; inner segments oblong-ovate, 3.5--5.5 × 1.4--2 mm. Filaments equal, slightly longer than to 2 × as long as perianth segments, connate at base and adnate to perianth segments; outer ones subulate; inner ones broadened at base, 1-toothed on each side, teeth sometimes irregularly 2--4-denticulate at apex. Ovary obovoid, with concave nectaries at base. Style exserted. Fl. and fr. Jul--Aug. 2 n = 16*, 32.

Sandy places. Gansu, Heilongjiang, Nei Mongol [Mongolia, Russia].

Allium leucocephalum is an Asian species native to Buryatiya, Zabaykalsky Krai, Mongolia, Inner Mongolia, Gansu, and Heilongjiang.

Allium leucocephalum produces one or two bulbs, each up to 13 mm across. Scape is up to 60 cm tall. Leaves are more or less tubular, shorter than the scape. Umbel is spherical crowded with many white or very pale yellow flowers.