透明虎耳草 tou ming hu er cao

Herbs 9-20 cm tall. Stem slender, brown glandular hairy. Basal leaves caducous, when present aggregated into a rosette; leaf blade spatulate, 4.5-5 × 1.2-1.5 mm, margin setose-ciliate. Proximal cauline leaves with petiole 1-1.5 mm, glandular hairy; leaf blade narrowly elliptic or sublinear-oblong to linear-oblanceolate, 6.5-8.5 × 1.5-2 mm, glandular hairy, apex acute; distal leaves sessile, suboblanceolate, ca. 8.5 × 3 mm, glandular hairy, base cuneate, apex acute. Cyme 2-7-flowered; pedicels slender, 1.7-3 cm, glandular pilose. Sepals reflexed, elliptic, 1.9-2 × ca. 1 mm, abaxially and at distal margin sparsely glandular hairy, veins 3, not confluent at apex, apex obtuse. Petals yellow, proximally orange spotted, elliptic to pandurate-obovate, 4-6 × 1.8-2.5 mm, 4-callose near base, 3-veined, base contracted into a claw 0.4-0.9 mm, apex obtuse. Stamens ca. 3.6 mm. Ovary subsuperior, subellipsoid, ca. 2 mm; styles ca. 1 mm. Fl. and fr. Jul-Sep.

* Oak forests, alpine meadows; 2700-3400 m. Xizang, NW Yunnan (Dêqên Xian).