贡山虎耳草 gong shan hu er cao

Herbs perennial, ca. 48 cm tall. Stem glabrous. Basal leaves caducous before anthesis. Cauline leaves with petiole 0.7-3 cm, proximally brown pilose at margin; leaf blade ovate-cordate to narrowly ovate, 1.8-4 × 0.8-2.1 cm, glabrous, base cordate, apex acute to acuminate; proximal leaves with petiole longer; distal leaves gradually shorter to absent. Inflorescence corymbose, 6.5-10 cm, 14-16-flowered; branches 3-5.5 cm, dark brown glandular hairy, 2- or 3-flowered; pedicels dark brown glandular hairy. Sepals reflexed, ovate, 3-3.4 × 1.5-2.3 mm, abaxially dark brown glandular hairy, veins 3-5, not, partly, or fully confluent at apex, apex obtuse or acute. Petals yellow, usually elliptic, 5.1-6 × 2.5-2.6 mm, not callose, 4-6-veined, base contracted into a claw 0.6-0.7 mm, apex obtuse. Stamens ca. 4.2 mm. Ovary subsuperior, subellipsoid, ca. 3 mm; styles ca. 1.2 mm. Fl. Aug-Sep.

* Alpine meadows; 3800-4000 m. NW Yunnan.

This species is closely related to Saxifraga diversifolia.