贺兰韭 he lan jiu

Allium fischeri Regel, Trudy Imp. S.-Peterburgsk. Bot. Sada 3(2): 161. 1875, not Besser (1830).

Bulbs densely clustered, narrowly ovoid-cylindric, 0.5--1 cm in diam., usually covered with a common tunic; tunic yellowish brown, reticulate. Leaves shorter than scape, ca. 1 mm wide, semiterete, adaxially channeled. Scape 11--30 cm, terete, covered with leaf sheaths only at base. Spathe 1-valved, persistent; beak ca. 3 × as long as limb. Umbel hemispheric. Pedicels subequal, 1.5--3 × as long as perianth, bracteolate. Perianth pale purple to purple; segments oblong-ovate to oblong-lanceolate, 5--6.5 × 2--2.5 mm, apex with a reflexed point; inner ones ca. 1 mm longer than outer. Filaments equal, equaling or slightly longer than perianth segments, connate at base and adnate to perianth segments for ca. 1 mm; outer ones subulate; inner ones broadened for 1/5--1/4 their length, with 1 sharp tooth on each side. Ovary subglobose, without concave nectaries at base. Style much longer than ovary, exserted. Fl. Aug. 2 n = 32*.

Dry slopes, plains. N Hebei, SW Nei Mongol, N Ningxia, N Xinjiang [Mongolia, Russia].