冰沼草 bing zhao cao

Papillaria palustris (Linnaeus) Dulac.

Rhizome clothed with persistent leaf bases. Leaves semiterete, basal ones 20-30(-40) cm, those on stems 2-13 cm, entire, with a pore on upper side at apex; sheaths auriculate. Racemes lax, 3-10-flowered; bracts leaflike, with reduced blades. Pedicels 2-4 mm. Perianth segments yellowish green, narrowly lanceolate, ca. 3 mm. Follicles 5-7 mm. Seeds ellipsoidal, 3-4 mm. Fl. Jun-Jul, fr. Jul-Aug. 2n = 22.

Marshes. Henan, Jilin, Ningxia, Qinghai, Shaanxi, W Sichuan [Japan, Korea, Mongolia, Russia; SW Asia, Europe, North America].