石异腺草 shi yi xian cao

Perennials 30-40 cm tall. Stem prostrate at base, robust, always simple, glabrous. Leaves clustered apically on stem with none along stem; petiole 0.5-2.5 cm; leaf blade elliptic-lanceolate, 3.5-7 × 1.5-2.5 cm, abaxially sparsely pubescent and glaucous, adaxially glabrous, base broadly cuneate, margin entire or obscurely waved or crisped, apex acuminate. Inflorescence terminal, a spikelike raceme, 4-14 cm. Flowers 6-8 mm in diam. Pedicel to 1 mm. Sepals lanceolate, 4-5 mm. Petals pink to whitish, 7-9 mm, apically emarginate. Ovary glabrous; style ± as long as sepals. Capsule oblong, ca. 3 mm, membranous.

Mountain slopes; 1800-2500 m. NW and W Yunnan (Gongshan, Tengchong) [Bhutan, NE India, N Myanmar, Nepal, N Thailand].