喙顶红豆 hui ding hong dou

Ormosia semicastrata Hance f. apiculata (L. Chen) Yakovlev.

Trees evergreen, ca. 19 m tall. Bark of stems grayish, smooth. Branchlets grayish green, grayish brown tomentose or glabrescent. Leaves imparipinnate, 14-24.5 cm; petiole 2-4 cm; rachis 3-4.7 cm, prolonged 0.3-2.8 cm below terminal leaflet, glabrous; leaflets 3-5; petiolule 5-7 mm; blades dark green abaxially, oblong, 6-14.5 × 2.5-3.7 cm, terminal leaflet larger, leathery, both surfaces glabrous, base cuneate, apex acuminate, obtuse, or retuse; midvein raised abaxially, impressed adaxially, lateral veins 7-11 pairs, angled 40° with midvein, veinlets anas­tomosing, raised on both surfaces, conspicuous abaxially. Pani­cles terminal, up to 20 cm in fruit, lower branches up to 15 cm; peduncle appressed fulvous pubescent, becoming sparsely pu­bescent to glabrescent. Legumes broadly orbicular or obliquely elliptic, 1.5-2.5 × 1.8-2.4 cm (excluding beak and stipe), com­pressed to slightly swollen, abruptly contracted to oblique beak, 4-6 mm, base truncate to suborbicular, stipe 5-8 mm; valves leathery, ca. 1 mm thick, sparsely pubescent, glabrescent when old; calyx persistent, densely appressed yellowish brown pu­bescent. Seed 1(or 2), dark red, oblate, rarely prolate, 10-13 mm in diam., thick; hilum elliptic, ca. 1 mm. Fl. Apr, fr. Sep-Oct.

● Forests of mountain slopes; ca. 1400 m. Guangxi (Lingyun).