长叶千斤拔 chang ye qian jin ba

Flemingia stricta var. pteropus Baker; Maughania stricta (Roxburgh ex W. T. Aiton) Kuntze; M. stricta var. pteropus (Baker) Mukerjee.

Shrubs, tall. Stems robust; young branchlets trigonous prismatic, with sparse short adpressed hairs. Leaves digitately 3-foliolate; stipules lanceolate, to 7.5 cm, apex acuminate, usu­ally persistent; petiole 8-16 cm, wings absent or extremely narrow, pubescent; petiolules 3-8 mm, densely pubescent; leaf­lets oblong or lanceolate to obliquely ovate-lanceolate, 21-32.5 × 6.5-10.5 cm, thinly leathery, glabrous except veins, with scat­tered black glands, lateral veins 15-19 pairs, base broadly cu­neate to obliquely rounded, apex acuminate. Raceme terminal or axillary, columnar-cylindric, 10-16 cm, densely pubescent; bracts ovate-lanceolate, 9-13 mm, sparsely hairy, deciduous; peduncle 1-3 mm. Flowers 1-1.5 cm, clustered. Calyx 5-lobed; lobes lanceolate, equal or subequal to tube, lower one much longer. Corolla purple, standard with darker striae, petals sub­equal; standard wider, oblong to almost orbicular, strongly con­tracted and narrowed above auricles, clawed, auriculate, gla­brous, apex slightly emarginate; wings obliquely ovate, long clawed, auricle acute; keel almost semiorbicular, long clawed, apex obtuse. Ovary ovoid, pubescent, sessile; style linear, gla­brous. Legume elliptic, 10-15 × 5-7 mm, pubescent, apex slightly oblique, mucronate. Seeds 2, brown or black, oblong or orbicular, ca. 2 × 3 mm. Fl. Jan-Mar, fr. Feb-Mar. 2n = 22.

Mountain slopes, roadsides; ca. 600 m. Yunnan [Cambodia, India, Indonesia, Laos, Philippines, Thailand, Vietnam].