Description from Flora of China
Herbs perennial, 15--40 cm tall, not drying black. Rootstock stout, with thick stringy roots. Stems numerous, delicate, branched apically, glabrous or with 2 lines of hairs. Stem leaves opposite; petiole ca. as long as leaf blade, shorter apically; leaf blade triangular-ovate, to 5 cm, pinnatisect; segments 4 or 5 pairs, ovate-elliptic, pinnatipartite, margin double dentate. Flowers axillary, scattered; bracts leaflike. Pedicel ca. 2 mm. Calyx ca. 3.5 mm, sometimes sparsely pubescent; lobes 5, triangular, sparsely ciliate. Corolla yellow, 1.4--1.6 cm, sparsely pubescent apically; tube ca. as long as galea, ca. 4 mm in diam.; galea ± straight or slightly falcate, apex entire; lower lip ca. 2.5 mm, much shorter than galea, middle lobe rounded, apex entire. Filaments slightly pubescent. Capsule obliquely triangular-lanceolate, ca. 1 cm, short apiculate. Fl. Jul, fr. Jul--Aug.
* Bamboo thickets, forests; 3000--4000 m. NW Yunnan.