Allium uliginosum Ledebour, Fl. Altaic. 2: 16. 1830, not G. Don (1827).

Bulbs clustered, narrowly ovoid-cylindric, 0.8--2 cm in diam.; tunic grayish violet to grayish black, membranous to scarious, ± entire, quickly withered. Leaves 1 or 2, shorter than scape, 5--7(--10) mm wide, terete, fistulose. Scape 70--80(--100) cm, terete, covered with leaf sheaths for 1/3--1/2 its length. Spathe 2-valved, persistent. Umbel hemispheric, densely many flowered. Pedicels subequal, 1.5--3 × as long as perianth, ebracteolate. Perianth pale purple; segments ovate-lanceolate to lanceolate, equal, 6--8(--10) × 1.5--2 mm; inner ones with purple midvein, sometimes slightly longer than outer ones, apex acute, shortly pointed. Filaments subequal, longer than perianth segments, connate at base and adnate to perianth segments for ca. 1 mm; outer ones subulate; inner ones narrowly triangular, ca. 2 × as wide as outer ones at base; anthers purple-red. Ovary ovoid-globose, with concave nectaries at base. Style exserted. Fl. and fr. Jun--Sep. 2 n = 16.

Mountains, moist meadows, river banks, gravelly and sandy places; 100--1800 m. Heilongjiang, Jilin, Liaoning, Nei Mongol, N Xinjiang (Altay Shan) [Kazakhstan, Mongolia, Russia].