Allium plurifoliatum Rendle var. stenodon (Nakai & Kitagawa) J. M. Xu.

Bulbs usually clustered, cylindric, slightly thickened at base, 0.3--0.8 cm in diam.; tunic blackish brown, fibrous, sometimes subreticulate. Leaves linear, shorter than to subequaling scape, 2--3 mm wide, flat. Scape 20--50 cm, terete, covered with leaf sheaths for ca. 1/2 its length. Spathe 1-valved, persistent; beak short. Umbel hemispheric to subglobose, densely many flowered. Pedicels 1--1.5 × as long as perianth, ebracteolate. Perianth blue to purple-blue; outer segments ovate, boat-shaped, 4--5 × 2--3 mm; inner ones ovate-oblong, 4.5--5.5 × 2--3 mm. Filaments equal, 1.5--2 × as long as perianth segments, connate at base and adnate to perianth segments; outer ones subulate; inner ones broadened at base, with 1 long tooth on each side, teeth sometimes denticulate at apex. Ovary obovoid, with concave nectaries covered by hoodlike projections at base. Style exserted. Fl. and fr. Jul--Sep.

* Forest margins, slopes, pastures; 1600--3000 m. Hebei, Henan, Nei Mongol, Shanxi.