Description from Flora of China
Pedicularis petitmenginii Bonati var. dissecta Bonati, Bull. Soc. Bot. France 55: 245. 1908; P. davidii Franchet var. flaccida Diels ex Bonati.
Herbs perennial, 20--35 cm tall, pubescent or glabrous, drying black. Roots fleshy. Stems usually 4--10, sometimes single, central stem erect, outer stems usually procumbent to ascending, branched or not, slender. Basal leaves withering early; petiole 3--3.5 cm, usually persistent. Stem leaves alternate; petiole 1.5--2 mm; leaf blade ovate-oblong, 3--3.5 X 1.2--1.6 cm, glabrous on both surfaces, pinnatisect; segments 6--9 pairs, widely spaced, ovate to linear-lanceolate, pinnatifid or incised-double dentate. Inflorescences racemose, to 1/2 as long as branches, lax; bracts leaflike. Pedicel to 2.5 cm, slender, elongating and curving in fruit, densely pubescent. Calyx 4--6 mm, glabrous, 1/2 cleft anteriorly; lobes 3, unequal, posterior one linear, entire, lateral pair palmatipartite. Corolla yellow, 1--1.2 cm; tube erect, slightly longer than calyx; galea bent at a right angle, lacking auriculate protuberance; beak semicircular, apex bent upward, ca. 6 mm; lower lip ciliate, middle lobe ca. 5 X 4 mm, prominently projecting and narrowed to a stipitate base. Filaments villous. Capsule 4--5 mm. Fl. Jun--Aug, fr. Aug.
* Rocks; ca. 3000 m. SW Shaanxi.