翅荚决明Senna alata

中文名(Chinese Name):翅荚决明
学名(Scientific Name):Senna alata (L.) Roxb.
英文名(English Common Name):emperor's candlesticks
别名(Chinese Common Name):翅荚槐
异名(Synonym):Cassia alata Linn.  Cassia rumphiana (DC.)Bojer  Cassia herpetica Jacq.  Cassia bracteata L.f.  Cassia alata var. perennis Pamp.  Cassia alata var. rumphiana DC.
科属(Family & Genus):云实科,Caesalpiniaceae)山扁豆属
形态特征(Description):多年生常绿灌木。株高1~3米。叶互生,偶数羽状复叶,小叶倒卵状长圆形或长椭圆形。总状花序顶生或腋生,具长梗,花冠黄色。荚果带形。花期7月至翌年1月,果期10月至翌年3月。
分布(Distribution):分布于广东和云南南部地区,生于疏林或较干旱的山坡上。原产美洲热带地区,现广布于全世界热带地区。
用途(Use):
引自植物志英文版:FOC Vol. 10 Page 29
Senna alata (Linnaeus) Roxburgh, Fl. Ind., ed. 1832. 2: 349. 1832.
翅荚决明 chi jia jue ming | Fabaceae  | Senna
Cassia alata Linnaeus, Sp. Pl. 1: 378. 1753.
Shrubs, 1.5-3(-5) m tall. Branches greenish, thick, pubes­cent. Leaves 30-60 cm; stipules persistent, triangular, 6-10(-15) mm; petiole and rachis with 2 longitudinal ribs and narrow wings; petiolar glands absent; petiolules very short or leaflets subsessile; leaflets 6-12(-20) pairs, oblong or obovate-oblong, 6-15 × 3.5-7.5 cm, thinly leathery, glabrous, base obliquely truncate, apex obtusely rounded and cuspidate. Ra­cemes axillary, dense, many flowered, or sometimes several ra­cemes forming a terminal panicle, 10-50 cm; peduncles 7-14 cm; bracts caducous, strobilaceous, oblong to broadly ovate, 2-3 × 1-2 cm, at first enveloping flowers. Flowers ca. 2.5 cm in diam. Sepals orange-yellow, oblong, unequal. Petals bright yel­low, tinged with conspicuous purple veins, ovate-orbicular, 16-24 × 10-15 mm, shortly clawed. Stamens 10, fertile stamens 7, opening with apical pores, lower 2 with stout filaments ca. 4 mm and larger anthers, 4 with filaments ca. 2 mm and smaller anthers, reduced stamens 3 or 4. Ovary puberulent, sessile; ovules many. Legume winged, sharply tetragonal, 10-20 × 1.5-2 cm, glabrous, with a broad, membranous wing down middle of each valve; wings 4-8 mm wide, papery, crenulate. Seeds 50-60, compressed, deltoid. 2n = 24, 28.
Sparse forests, dry slopes. Guangdong, ?Hainan, S Yunnan [native to tropical America; widely introduced in the tropics elsewhere].
This plant is used as a laxative.
翅荚决明Senna alata

翅荚决明Senna alata

翅荚决明Senna alata(责任编辑:徐晔春)

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