黄花高山豆 huang hua gao shan dou

Gueldenstaedtia tongolensis Ulbrich, Bot. Jahrb. Syst. 50 (Beibl. 110): 11. 1913; Amblytropis flava (Adamson) C. Y. Wu ex H. P. Tsui; G. flava Adamson; G. flava var. tongolensis (Ulbrich) Ali.

Stems slender. Leaves ca. 10 cm, 5-9-foliolate; stipules free, with brown-purple spots, broadly ovate, 5-6 mm, membranous; leaflets obovate, broadly elliptic, or broadly ovate, ca. 12 × 9 mm, abaxially pilose, adaxially glabrous, apex truncate or retuse. Umbel 2- or 3-flowered; rachis usually ca. as long as leaves or slightly longer; bract narrowly triangular; pedicel ca. 5 mm, with rigid hairs; bracteole narrowly ovate, glandular on mar­gin. Calyx campanulate or broadly campanulate, ca. 5 × 2.5 mm, densely brown rigidly hairy; upper 2 teeth joined at base. Corolla yellow; standard broadly ovate, ca. 9.5 mm, base nar­rowed to claw, apex retuse; wings broadly obliquely ovate, ca. 9 × 5 mm, claw linear; keel obovate, ca. 4 × 1.5 mm. Ovary cylindric, glabrous. Legume glabrous. Fl. Apr-Jul, fr. Aug-Sep.

● Hills; above 3000 m. Sichuan, Yunnan.