蛇根木Rauvolfia serpentina

中文名(Chinese Name):蛇根木
学名(Scientific Name):Rauvolfia serpentina (Linn.) Benth. ex Kurz
英文名(English Common Name):
别名(Chinese Common Name):印度萝芙木、印度蛇木、印度蛇根木、印度蛇根草
异名(Synonym):Ophioxylon majus Hassk.  Ophioxylon serpentinum L.  Ophioxylon album Gaertn.  Ophioxylon obversum Miq.  Ophioxylon salutiferum Salisb.  Ophioxylon trifoliatum Gaertn.  Rauvolfia serpentina var. obversa (Miq.) Bakh. f.  Rauvolfia trifoliata (Gaertn.) Baill.
科属(Family & Genus):夹竹桃科Apocynaceae萝芙木属Rauvolfia
形态特征(Description):灌木,高50-60厘米,除花冠筒内上部被长柔毛外,其余皆无毛;茎麦秆色,具纵条纹,被稀疏皮孔,直径约5毫米;节间长1-4厘米。叶集生于枝的上部,对生、三叶或四叶轮生,稀为互生,椭圆状披针形或倒卵形,短渐尖或急尖,基部狭楔形或渐尖,长7-17厘米,宽2-5.5厘米;叶面中脉近扁平,叶背中脉凸出,侧脉10-12对,弧形上升至叶缘前网结;叶柄长1-1.5厘米。伞形或伞房状的聚伞花序,具单条的总花梗,上部多分枝,长3-13厘米;小苞片披针形,长约2毫米;总花梗、花梗、花萼和花冠筒均红色;花萼筒长3毫米,裂片长2毫米;花冠高脚碟状;花冠筒圆筒状,中部膨大,长约10毫米,裂片白色,卵圆形,长1.5毫米,宽1毫米;雄蕊着生在花冠筒的中部,仅在雄蕊着生处之上被长柔毛;花盘环状,高约为子房一半;子房具2个心皮,心皮合生至中部,花柱圆筒状,柱头棒状,每室有胚珠2个。核果成对,红色,近球形,合生至中部。花期第一次2-5月,第二次6-10月;果期第一次5-8月;第二次10月-翌年春季。
分布(Distribution):产于云南南部;广西和广东等省区有栽培。分布于印度、斯里兰卡、缅甸、泰国、印度尼西亚及大洋洲各岛。
用途(Use):根含利血平及血平定等生物硷,是治疗高血压主要药物原料。民间用根、茎皮、叶作退热、抗癫、虫、蛇咬伤等的药物。
引自中国植物志英文版:FOC Vol. 16 Page 158
Rauvolfia serpentina (Linnaeus) Bentham ex Kurz, Forest Fl. Burma. 2: 171. 1877.
蛇根木 she gen mu | Apocynaceae  | Rauvolfia
Ophioxylon serpentinum Linnaeus, Sp. Pl. 2: 1043. 1753; O. majus Hasskarl.
Shrubs to 1 m tall, erect, glabrous. Stems usually unbranched, slender, straw colored. Leaves grouped near stem apex, in whorls of 3-5; petiole 1-1.5 cm; leaf blade narrowly elliptic or obovate, membranous, 7-17 X 2-9 cm, base cuneate, apex acuminate or rarely obtuse; lateral veins 7-15 pairs. Cymes congested; peduncle 5-13 cm, red or reddish. Pedicel and calyx red or reddish. Corolla white, tube cylindric, 1-1.8 cm, inflated at middle and pilose inside distal half; lobes obliquely suborbicular, 1.5-3.5 mm. Stamens inserted at middle of corolla tube. Ovaries connate in basal half. Drupes ellipsoid, ca. 8 mm, connate for half their length. Fl. Feb-Oct, fr. May-Dec. 2n = 22.
Montane forests; 800-1500 m. S Yunnan (Gengma, Jing-hong), cultivated in S Guangdong, S Guangxi, Hainan [India, Indonesia, Malaysia, Myanmar, Sri Lanka, Thailand].
The roots are used as a sedative and in the treatment of hypertension. The bark, leaves, and roots are used against snake and scorpion poisoning.
 蛇根木Rauvolfia serpentina

蛇根木Rauvolfia serpentina


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