Oxygraphis tenuifolia W. E. Evans

Basal leaves 8--25, glabrous; petiole 1--3.6 cm, narrowly vaginate at base; leaf blade linear to lanceolate, 0.8--1.5 cm × 2--4 mm, base attenuate, margin entire, apex obtuse. Scapes 1--3, more than 2 cm, elongating to 4.5 cm in fruit, glabrous. Flowers solitary, ca. 1 cm in diam. Sepals 5, broadly ovate or orbicular-ovate, 2--3 mm, subleathery, glabrous, persistent. Petals 9--11, lanceolate-linear, 4.5--5.5 × 0.8--1.2 mm, apex acute. Anthers elliptic, 0.3--0.5 mm. Aggregate fruit broadly ovoid, ca. 6 mm in diam.; achenes subfusiform, ca. 1.8 × 0.8 mm, glabrous. Persistent style ca. 0.6 mm. 2n = 16*.

W Sichuan, NW Yunnan (Zhongdian Xian).

* Alpine meadows, grassy slopes; 3400--4300 m.