短葶山葱 duan ting shan cong

Allium nanodes Credit: Harvard University Herbaria

Bulb solitary or clustered, subcylindric; tunic grayish brown, reticulate. Leaves 2, opposite; leaf blade tinged with purple, oblong to narrowly oblong, curved backward, 3.5--9 × 1.5--3 cm, base gradually narrowed into a very short petiole, apex acute. Scape 2--5 cm, terete, covered with leaf sheaths for 3/4--4/5 its length. Spathe 2-valved, persistent or deciduous. Umbel laxly flowered. Pedicels subequal, ca. 2 × as long as perianth, ebracteolate. Perianth white, tinged with red; outer segments boat-shaped, 5--8 × 1.5--2 mm, apex acute; inner ones narrowly oblong to narrowly ovate, 5.5--9 × 1--1.8 mm. Filaments slightly longer than perianth segments, connate at base for ca. 1 mm and adnate to perianth segments; outer ones 0.7--1 mm wide; inner ones 1--1.8 mm wide at base. Ovary constricted at base into an obscure stipe; ovules 1 per locule. Fl. and fr. Jun--Aug. 2 n = 16*.

* Scrub or meadows in high mountains, gravelly slopes; 3300--5200 m. SW Sichuan, NW Yunnan.