椭圆叶猴耳环 tuo yuan ye hou er huan

Inga elliptica Blume, Cat. Gew. Buitenz. 88. 1823.

Trees, small, to 20 m tall. Branchlets terete, with white lenticels; young branchlets brown pubescent. Pinnae 1 or 2 pairs; glands at upper part of petiole and rachis; petiolules 3-4 mm; leaflets 2 or 3 pairs, opposite or subopposite, elliptic or ovate-elliptic, 7-18 × 3-9 cm, both surfaces glabrous, base cu­neate to broadly cuneate, apex acuminate to long acuminate. Heads 2-6-flowered, arranged in terminal and axillary panicles. Calyx 4.5-5 mm; teeth 0.5-1 mm. Corolla 4.5-5 mm; lobes 2-2.5 mm. Staminal tube equaling corolla tube. Ovary puberulent. Legume curved into a circle, 4.5-8 mm in diam.; valves 2-3.5 cm wide. Seeds 1.7-2.1 × 1-1.1 cm. Fl. and fr. year-round.

Evergreen broad-leaved forests; ca. 1500 m. Yunnan [Indonesia, Malaysia, Philippines, Thailand].

The record of this species for China is possibly based on a mis­identification.