粉被金合欢 fen bei jin he huan

Acacia pruinescens var. luchunensis C. Chen & H. Sun.

Climbers, woody, or scandent shrubs. Branchlets with recurved spines, glaucous and pubescent when young. Stipules cordate-hastate, pubescent; petiole with oblong gland above base; pinnae 9-11 pairs, 3.3-9 cm; rachis pubescent, with few recurved spines; leaflets numerous, sessile, linear, 7-11(-16) × 1.8-2.5(-4) mm, glabrous or ciliate, midvein close to upper margin, base truncate, apex obtuse. Heads arranged in axillary panicles to 25 cm; peduncles 1.5-2.2 cm. Flowers yellow. Calyx tubular, 2-3 mm, pubescent, apex truncate. Corolla 3-4 mm; tube glabrous; lobes 0.5-1.5 mm, sparsely pubescent or glabrous. Stamens numerous, with deciduous gland at apex. Ovary apically sparsely pubescent. Legume brownish, oblong, flat, 18-20 × 2.9-3.2 cm, both ends acute, sutures thickened, glabrous. Seeds oblong, 7-10 mm. Fl. Apr, fr. Jun-Oct.

Thin forests; 1200-1600 m. Guangxi, Yunnan [Myanmar, Viet­nam].