独根草 du gen cai

Oresitrophe rupifraga var. glabrescens W. T. Wang.

Plants 12-28 cm tall. Leaves 2 or 3; petiole 11.5-13.5 cm, glandular hairy; leaf blade 3.8-9.7(-25.5) × 3.4-9(-22) cm, abaxially and marginally glandular hairy, base cordate, margin irregularly dentate, apex shortly acuminate. Inflorescence 5-16 cm, densely glandular hairy, many flowered; pedicels 0.3-1 cm, glandular hairy. Sepals ovate to narrowly so, unequal, 2-4.2 × 0.5-2 mm, glabrous, many veined, margin entire, apex acute or shortly acuminate. Stamens 3.1-3.3 mm. Carpels ca. 4 mm; styles ca. 2 mm. Fl. May-Sep.

* Ravines, cliffs, rock crevices; 600-2100 m. Hebei, W Liaoning, E Shanxi.