Allium xiangchengense J. M. Xu

Roots thick, fleshy. Bulbs clustered, cylindric, 0.3--0.4 cm in diam.; tunic white, membranous, entire, with some fibers. Leaves lanceolate to linear-lanceolate, shorter than scape, 1.5--2 cm wide, midvein distinct, base conspicuously attenuate, apex acuminate. Scape lateral, 23--26 cm, terete, covered with leaf sheaths only at base. Spathe 1-valved, persistent. Umbel globose, laxly flowered. Pedicels equal, 2--3 × as long as perianth, ebracteolate. Perianth white; segments lanceolate, 4.5--5 × ca. 1 mm, apex acuminate, sometimes 2-lobed. Filaments subulate, slightly longer than perianth segments, connate at base and adnate to perianth segments. Ovary subglobose, base without concave nectaries, constricted into a stipe ca. 0.5 mm; ovules 1 per locule. Style longer than ovary; stigma punctiform. Fl. Aug.

W Sichuan (Xiangcheng Xian).

* Forest margins, shady and damp places; ca. 3300 m.

Allium xiangchengense is a plant species endemic to the Sichuan region in southern China. It grows there at an elevation of approximately 3300 m.

Allium xiangchengense has thick, fleshy roots and clumps of narrow bulbs each less than 5 mm across. Scape is up to 30 cm tall, round in cross-section. Leaves are flat, lanceolate, narrowing toward the tip, up to 2 cm across at the widest point, shorter than the scape. Umbel is spherical. Tepals are white, sometimes 2-lobed.