312. Pedicularis cryptantha Marquand & Shaw, J. Linn. Soc., Bot. 48: 211. 1929.
隐花马先蒿 yin hua ma xian hao
Herbs perennial, to 12(--14) cm tall, drying ± black. Roots ± fusiform, fleshy. Stems usually procumbent to ascending, short, pubescent; branches densely clustered. Basal leaves numerous; petiole to 6 cm, sparsely pubescent; leaf blade ovate-oblong to ovate, 3.5--7 X ca. 1.8 cm, adaxially sparsely pubescent to glabrous; segments 8--12 pairs, linear-lanceolate, margin double dentate. Flowers axillary, 10--20-flowered, sometimes racemose apically, centrifugal; bracts leaflike, lanceolate. Pedicel more than 2 cm, slender. Calyx tube cylindric, ca. 4 mm, sparsely to densely pubescent; lobes 5, unequal. Corolla yellow, 1.6--2 cm, tube expanded, curved apically; galea ± falcate, 7--9 mm, front rounded, apex slightly acute; lower lip with middle lobe rounded, smaller than lateral lobes, entire, slightly projecting. Filaments glabrous. Fl. May--Aug, fr. Sep--Oct.
Grassy stream banks, woods and Pinus forests; 2700--4700 m. SE Xizang [Bhutan]
