云南朱缨花 yun nan zhu ying hua

Inga umbrosa Wallich, Pl. Asiat. Rar. 2: 23. 1831.

Shrubs, 1-2 m tall. Branchlets terete. Stipules spinelike, 0.5-1.5 cm; petiole 0.4-5 cm, glabrous; pinnae 1 pair, 2-5.5 cm, with a pair of large sessile leaflets at apex and an odd one much smaller below on outside, all with a gland on rachis at base; leaflets oblong to elliptic, 3-15 × 1.5-7.5 cm, subleathery, base cuneate, often oblique, apex acuminate. Heads axillary or on old branches; peduncles 3-4 cm. Flowers homogeneous, tetramerous. Calyx campanulate, ca. 1.3 mm, slightly 4-toothed. Corolla funnel-shaped, ca. 7 mm. Stamens numerous; filaments white. Ovary glabrous. Legume strap-shaped, flat, 10-14 × 2-2.4 cm, margin thickened, base attenuate, apex rounded, oblique, mucronate, dehiscent from apex to base. Seeds 4. Fl. Aug-Oct, fr. Jan-Mar.

Thickets; 300-400 m. W Yunnan (Yingjiang) [India].