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Dinghushan | Family List | Papilionaceae | Ormosia

Ormosia fordiana Oliv.

肥荚红豆

Description from Flora of China

Ruddia fordiana (Oliver) Yakovlev.

Trees, to 17 m, to 20 cm d.b.h. Bark of stems dark gray, with shallow longitudinal stripes. Young branches and leaves densely appressed rusty brown pubescent, becoming sparsely hairy or glabrescent. Leaves imparipinnate, 19-40 cm; petiole 3.5-7 cm; rachis 5.5-15.5 cm, prolonged 3-15 mm below ter­minal leaflet; leaflets (5-)7-9(-13); petiolule 6-8 mm, grooved, rusty pubescent, becoming glabrate; blades obovate-lanceolate or obovate-elliptic, rarely elliptic, terminal leaflet larger, 6-20 × 1.5-7 cm, thinly leathery, base cuneate or suborbicular, apex acute or caudate; midvein raised abaxially, impressed adaxially, lateral veins 11 pairs, angled 40° with midvein, lateral veins and veinlets inconspicuous on both surfaces, scattered rusty brown appressed pubescent or glabrous abaxially, glabrous adaxially. Panicles terminal on young branches, 15-26 cm; peduncle and pedicel densely appressed rusty pubescent. Pedicel 6-12 mm; bractlets 2, at pedicel apex, lanceolate, 3-5 mm, densely ap­pressed rusty brown pubescent. Flowers 2-2.5 cm. Calyx light brown-green, 1.5-2 cm; teeth oblong-lanceolate, slightly obtuse, upper 2/3 of upper pair connate, densely appressed rusty pu­bescent; tube short. Corolla purplish red, ca. 1.5 cm; standard rounded, cucullate, upper margin strongly inflexed, yellow spotted subcentrally, claw short, thick, compressed; keel similar to wings, elliptic-obovate, apex obtuse, claw short. Stamens unequal, all functional; filaments basally thickly compressed. Ovary flattened, densely appressed rusty brown silky pubes­cent; ovules usually 4; style incurved, glabrescent. Legumes semicircular or oblong, 5-12 × 5-6.8 cm, apex obliquely beaked, stipe compressed, 5-10 mm, convex at seed; valves woody, dehiscent, ca. 2 mm thick, externally yellow pubescent or glabrescent, internally glossy, often whitish, stained reddish, septum absent, slightly thickened at margin, tip reflexed; calyx persistent. Seeds 1-4, large, oblong, obtuse at ends, 2.5-3.3 × 1.7-2.7 cm, slightly flattened; testa red or red-purple, fleshy, becoming thin and fragile when dry; hilum suborbicular, 3-4 mm. Fl. Jun-Jul, fr. Nov.

Valleys, roadsides on mountain slopes, streamsides in mixed open forests; 100-1400 m. Guangdong, Guangxi, Hainan, S to SE Yunnan [Bangladesh, Myanmar, Thailand, Vietnam].

生活型: 乔木

栽培植物: 野生

特征: 乔木;一回奇数羽状复叶,小叶5--9片,革质,上面绿色光泽,背面苍白色;荚果扁,种子大,1--4粒,长约2--3厘米,椭圆形,红色

花期: 7

果期: 10

生境: 生于自然林中

用途: 树皮、根、叶药用,有清热解毒,消肿止痛之效;材用,又可作行道、庭园绿化树

门中名: 种子植物门

亚门中名: 被子植物亚门

纲中名: 双子叶植物纲

中文别名: 大红豆、鸭公青、福氏红豆


 

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