叉枝虎耳草 cha zhi hu er cao

Micranthes divaricata (Engler & Irmscher) Losinskaja.

Stem 3.7-10 cm tall, white crisped glandular villous. Petiole 1.7-3 cm, glabrous; leaf blade ovate to oblong, 0.7-2.4 cm × 3-13 mm, glabrous, base cuneate, margin serrate or entire, apex obtuse or acute. Inflorescence paniculate, 5-14-flowered; branches markedly spreading, 1-4 cm; bracts oblong to oblong-linear, 3.5-7 × 1-1.5 mm; pedicels densely crisped glandular villous. Sepals spreading, triangular-ovate, 1-3.8 × 0.9-2.5 mm, glabrous, veins 3 to many, confluent at apex, apex obtuse. Petals white, ovate to elliptic, 2.3-3 × 1-1.7 mm, 3-veined, base contracted into a claw 0.5-0.9 mm, apex obtuse or retuse. Stamens 1.5-4 mm; filaments subulate; anthers purple. Ovary semi-inferior, dark purple, broadly ovoid, ca. 2.5 mm, with an annular nectary; styles 0.5-2 mm. Capsule oblong-ovoid, 4-5 mm; carpels divergent distally. Fl. and fr. Jul-Aug.

* Scrub meadows, marsh meadows; 3400-4500 m. SE Qinghai, W Sichuan, Xizang.