Allium xichuanense J. M. Xu

Bulb solitary, ovoid or narrowly so to ovoid-cylindric, 0.8--1.2 cm in diam.; tunic pale brown to brown, thinly leathery, splitting. Leaves equaling to slightly longer than scape, 1.5--4 mm wide, semiterete to semiterete-angled, fistulose. Scape (10--)20--40 cm, terete, covered with leaf sheaths only at base. Spathe 2-valved, persistent. Umbel globose, densely many flowered. Pedicels equal, 1--1.5 × as long as perianth, ebracteolate. Perianth pale yellow to greenish yellow; segments oblong-elliptic to oblong-ovate, 5--6 × 2--2.5(--3) mm; inner ones sometimes slightly longer than outer. Filaments equal, equaling to 1.3 × as long as perianth segments, connate at base and adnate to perianth segments. Ovary ovoid-globose, with concave nectaries covered by short, hoodlike projections at base. Style exserted. Fl. and fr. Aug--Oct.

W Sichuan, NW Yunnan.

* Slopes, meadows; 3100--4400 m.

Allium xichuanense is a plant species native to the Sichuan and Yunnan regions in southern China. It grows at elevations of 3100–4400 m.

Allium xichuanense has a single egg-shaped bulb up to 12 mm in diameter. Scape it up to 40 cm tall, round in cross-section. Leaves are tubular, up to 4 mm in diameter, about the same length as the scape. Umbel spherical, densely crowded with many yellow flowers.