Paris yunnanensis Franchet, Mem. Soc. Philom. (Paris) 1888: 290. 1888; Daiswa birmanica Takhtajan; D. yunnanensis (Franchet) Takhtajan; P. aprica H. Léveillé; P. atrata H. Léveillé; P. birmanica (Takhtajan) H. Li & Noltie; P. cavaleriei H. Léveillé & Vaniot; P. christii H. Léveillé; P. franchetiana H. Léveillé; P. gigas H. Léveillé & Vaniot; P. mercieri H. Léveillé; P. pinfaensis H. Léveillé; P. polyphylla var. platypetala Franchet; P. polyphylla var. yunnanensis f. velutina H. Li & Noltie.

Plants 30--100 cm tall. Leaves 5--9. Inner tepals (2--)3--5 mm wide, distally slightly widened, usually slightly shorter than outer ones. Filaments 4--7 mm; anthers 7--12 mm; free portion of connective 1--2 mm. 2 n = 10*.

Broad-leaved or coniferous forests, bamboo forests, thickets, grassy slopes; 1400--3100 m. Guizhou, Sichuan, SE Xizang, Yunnan [India, Myanmar].