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

26. Ormosia xylocarpa Chun ex Merrill & L. Chen, Sargentia. 3: 105. 1943.

木荚红豆 mu jia hong dou

Fedorovia xylocarpa (Chun ex Merrill & L. Chen) Yakovlev; Ormosia polysperma L. Chen.

Trees evergreen, 12-20 m, 0.4-1.5 m d.b.h. Bark of stems gray or brown, glabrous. Branches densely appressed tawny pu­bescent. Leaves imparipinnate, (8-)11-24.5 cm; petiole 3-5 cm; rachis 3.2-5.4 cm, prolonged 6-10 mm below terminal leaflet; petiole and rachis sparsely or densely appressed yellow pubescent; leaflets (3-)5-7; petiolule (4-)7-12 mm, grooved, densely appressed short pubescent; blades oblong or oblong-oblanceolate, 3-14 × 1.3-5.3 cm, thickly leathery, densely or sparsely appressed short tawny pubescent abaxially, more densely so along midvein, glabrous adaxially, base narrowly to broadly cuneate, margin slightly repand, apex obtuse or acute. Panicles terminal, 8-14 cm, pubescent. Flowers 2-2.5 cm, fra­grant; pedicel ca. 8 mm. Calyx ca. 10 mm; teeth oblong, ca. 8 mm, subequal, densely appressed short brownish yellow serice­ous. Corolla white or pink. Ovary densely appressed short tawny sericeous; ovules 7-9. Legumes obovate to oblong or rhombic, 5-7 × 2-4 × ca. 1.5 cm, compressed, slightly rounded around seeds; valves thickly woody, ventral suture margin re­flexed outward, densely appressed short yellowish brown seri­ceous, internally septate. Seeds 1-5, red, prolate or subor­bicular, slightly inequilateral, 0.8-1.3 × 0.6-0.8 × 0.4-0.5 cm, glossy, often viscid when moist; hilum small, 1.5-2.5 mm, somewhat oblique. Fl. Jun-Jul, fr. Oct-Nov.

● Mountain slopes, valleys, roadsides, streamsides, open or dense forests; 200-1600 m. Fujian, Guangdong, Guangxi, E Guizhou, Hainan, S Hunan, S Jiangxi.


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