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荚果铅色，有光泽，无毛，有3-5英节，荚节长约3毫米，宽约2毫米。花、果期4-10月。 <ref>《中国植物志》 第41卷 (1995) >> 068页 PDF >> 美花狸尾豆 Uraria picta </ref>
==分类文献==
Uraria picta (Jacq.) Desv. ex DC. Prodr. 2:324. 1825; Baker in Hook. f. Fl. Brit. Ind. 2:155. 1879; Franch. Pl. Delav. 171. 1890; Hayata, Ic. Pl. Formos. 3: 71. 1913; Gagnep. in Lecomte, Fl. Gen. Indo-Chine 2: 547. 1920;中国主要植物图说·豆科508. 图503. 1955; Steen. in Reinwardtia 5:452. 1960; 中国高等植物图鉴2: 456. 图2642. 1972; 台湾植物志3:402, pl. 659. 1977.——Hedysarum pictum Jacq. Coll. Bot. 2:262. 1788.——Doodia pictoa Roxb. Fl. Ind. 3:368. 1832.——Uraria leucantha Zipp. ex Span in Linnaea 15:193. 1841.——U. linearis Hassk. in Flora 25. Beibl. 2:48, 61. 1842.
Hedysarum pictum Jacquin, Collectanea 2: 262. 1788; Doodia picta (Jacquin) Roxburgh; Uraria leucantha Zippelius ex Spanoghe; U. linearis Hasskarl.
Subshrubs or shrubs. Stems erect, 1-2 m tall, gray stri-gose. Leaves imparipinnate, 5- or 7(or 9)-foliolate; petiole 4-7 cm; leaflet blades linear-oblong or narrowly lanceolate, termi-nal one 4.5-13 × 1-2 cm, abaxially densely hairy on veins, adaxially pubescent along midvein and basal margin, base rounded, apex narrowly acute. Racemes terminal, 10-30 cm. Pedicel 5-6 mm, elongated to 8 mm after anthesis, apically hooked. Calyx 5-parted, long hairy and ciliate; lower lobes slightly longer than upper. Corolla pink or pale blue, 5-6 mm; standard obovate, long clawed; wings auriculate, 4-7 mm, base shortly auriculate; keel ca. as long as wings, upper parts curved. Ovary glabrous, 3-5-ovuled. Legume lead-colored, lucid, gla-brous, 3-5-jointed; articles ca. 3 × 2 mm. Fl. and fr. Apr-Oct. 2n = 16, 22.
Grassy slopes; 400-1500 m. Guangxi, Guizhou, Sichuan, S Tai-wan, Yunnan [Bangladesh, Bhutan, Cambodia, India, Japan (S Ryukyu Islands), Malaysia, Myanmar, Nepal, Pakistan, Philippines, Sri Lanka, Thailand, Vietnam; tropical Africa, Australia].
The roots are used medicinally for invigorating the liver and spleen and as a sedative.The roots are used medicinally for invigorating the liver and spleen and as a sedative.
==美花狸尾豆生长环境==