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FOC | Family List | FOC Vol. 10 | Fabaceae | Ormosia

37. Ormosia nuda (F. C. How) R. H. Chang & Q. W. Yao, Acta Phytotax. Sin. 22: 117. 1984.

秃叶红豆 tu ye hong dou

Ormosia henryi Prain var. nuda F. C. How, Acta Phytotax. Sin. 1: 232. 1951; Fedorovia henryi (Prain) Yakovlev var. nuda (F. C. How) Yakovlev; O. yaanensis N. Chao.

Trees evergreen, 7-27 m, to 50 cm d.b.h. Bark of stems gray or grayish brown. Branches brownish green, appressed short pubescent when young, becoming glabrous; buds super­posed. Leaves imparipinnate, 11.5-25 cm; petiole 2-4.5 cm; rachis 2.7-7.8 cm, prolonged 1.4-2.5 cm below terminal leaflet; petiole and rachis sparsely tomentose or glabrescent; leaflets 5-7; petiolule ca. 5 mm, rounded, sparsely pubescent; blades ellip­tic, 5-9.5 × 2-3.5 cm, leathery, slightly yellow tomentose or glabrous abaxially, green and glabrous adaxially, base cuneate or rounded, apex acuminate or caudate; midvein slightly raised abaxially, slightly impressed adaxially, lateral veins 7 or 8 pairs, inconspicuous. Flowers not seen. Infructescence with short pubescence. Legumes oblong or elliptic, 4.3-6.6 × 2.6-3 cm; valves black, thickly woody, 3-7 mm thick, appressed short yellowish brown bristly, densely pubescent at apex and base, internally septate. Seeds 1-5, dark red, elliptic, 8-10 × 5-7 × ca. 6 mm; hilum 2-2.5 mm. Fl. Jul-Aug, fr. Oct.

● Valleys, mixed forests; 800-2000 m. N Guangdong, S Guizhou, Hubei (Liquan), Yunnan (Jingdong).


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