栏目

三桠苦Evodia lepta (Spreng.) Merr.

三桠苦Evodia lepta (Spreng.) Merr.

别名:密茱萸;三叉苦;三脚虌;

科名:芸香科 Rutaceae

属名:吴茱萸属 Evodia

《中国植物志》第43(2)卷059页
  2.三桠苦(增订岭南采药录)三脚鳖(台湾),三支枪、白芸香(广东),石蛤骨(广西),三岔叶、消黄散(云南),郎晚(云南傣族语)
  Evodia lepta (Spreng.) Merr. in Trans. Amer. Philos. Soc. 23: 219. 1935; Huang in Acta Phytotax. Sin. 6: 91, Pl. 21, 1957; 中国高等植物图鉴 2: 547, 图2823. 1972; 海南植物志 3: 34. 图 546. 1974; 台湾植物志 3: 514. 1977.——Ilex lepta Spreng. Syst. Veg. 1: 496. 1825. ——Lepta triphylla Lour. Fl. Cochinch. 82. 1790.——Zanthoxylum pteleae folium Champ ex Benth. in Hook. Kew Journ. Bot. 3: 330. 1851, pro parte, quoad plantas Chinenses——E. pteleaefolia (Champ. ex Benth.) Merr. in Philip. Journ. Sci. 7: 377. 1912.——E. lamarckiana Benth. Fl. Hongk. 59. 1861, pro parte, exclud. syn. Lamk. et Chamisso——E. roxbourghiana Benth. Fl. Hongk. 59. 1861; Pierre, Fl. For. Cochinchin. 4, pl. 286A. 1893. ——E. chunii Merr. in Journ. Arn. Arb. 6: 132. 1925.——E. lepta var. chunii Huang, l. c. 6: 92. 1957.——E. triphylla auct. non DC.: Hemsl. in Journ. Linn. Soc. Bot. 23:104. 1886.
形态特征:灌木或小乔木;树皮青灰色,全株味苦。复叶对生,小叶3片,椭圆状披针形,全缘或浅波状,有腺点。伞房状圆锥花序腋生;花单性,乳白色,4数;雄花的退化雌蕊短小;雌花的退化雄蕊比花瓣短。蓇葖果,成熟心皮2—3数。花期3—5月,果期6—8月。
地理分布:分布于福建、台湾、广东、广西、云南等省区;亚洲热带地区也有。
生   境:生于山地、丘陵或平原,常见于灌木或次生小乔木林中。
毒   性:有小毒。小鼠腹腔注射10—20g/kg叶的水提取物,引起呼吸困难,攀爬力减弱、后肢无力、躯体伸张、腹部紧缩、抽搐死亡[A-25]。
化学成分:叶含挥发油,主要成分为α—蒎烯、糠醛[A-18];另含生物碱及甙类[19,20]。
毒   理:叶含挥发油,主要成分为α—蒎烯、糠醛[A-18];另含生物碱及甙类[19,20]。
属中文名:吴茱萸属
属拉丁名:Evodia
科中文名:芸香科
科拉丁名:Rutaceae
本科概述:本科约150属900余种,分布于热带和亚热带,南非和大洋洲最多。我国有28属154种,南北均产。本科植物的经济价值较大,其中桔、柑、橙、柠檬等是著名水果;花椒是常用烹调佐料;枳实、吴茱萸、黄柏和白鲜等都是重要中药材。’.本科植物中有毒者较多,但多属于小毒。毒性较大的有密叶藤桔,其果实能使人中毒死亡;茵芋也能使人畜中毒,严重者也可致死,《本草纲目》将其列入毒草类。本科有些药用植物药理活性较高,如若使用不当也会引起中毒,如花椒属的野花椒和毛竹叶椒有镇痛和肌松作用,如用量过多能造成麻醉和运动障碍;九里香属(MurrayakoenigexL,)的九里香和飞龙掌血属(ToddMiaJuss.)的飞龙掌血有麻醉作用,如服用不当能引起运动和呼吸麻痹;芸香和白鲜能引起光敏性皮炎;另外山油柑、三桠苦和假黄皮等民间都反映有毒。本科植物中的有毒成分主要是生物碱从野花椒和日本常山中分离出的加锡果宁(属喹啉酮类生物碱)、茵芋碱和白鲜碱(属呋喃喹啉类生物碱)、氯化两面针碱(属异喹啉类生物碱),均具有中枢抑制作用,但也有一定毒性。,按其结构可分为如下类型:1.喹啉酮类生物碱(quinolinonealkaloids)2.呋喃喹啉类生物碱([uranoquinolinealkaloids)3.吖啶类生物碱(acridinealkaloids)4.异喹啉类生物碱(isoquinolineulkaloids)5.卡巴唑生物碱(carbazolalkaloids)6.吲哚及咪唑类生物碱(indol-andimizo-alkaloids)一些主要代表物有:另外芸香科是植物界中含香豆素化合物比较集中的科之一,其中呋喃香豆素,如补骨脂素能诱发光敏性皮炎;其他成分还有挥发油,苯丙烷类及色烯等化合物。

《Flora of China》 Vol. 11 (2008)
Melicope pteleifolia  (Champion ex Bentham) T. G. Hartley
三桠苦   san ya ku
Zanthoxylum pteleifolium Champion ex Bentham, Hooker’s J. Bot. Kew Gard. Misc. 3: 350. 1851; Euodia gracilis Kurz; E. lepta Merrill, nom. illeg. superfl.; E. lepta var. cambodiana (Pierre) C. C. Huang; E. oreophila Guillaumin (1945), not Guillaumin (1938); E. pteleifolia (Champion ex Bentham) Merrill; E. triphylla (Lamarck) Candolle var. cambodiana Pierre; Ilex lepta Sprengel, nom. illeg. superfl.; Lepta triphylla Loureiro.
Shrubs or trees, rarely scandent, 1-14 m tall, dioecious or rarely monoclinous. Young branchlets 2.5-4 mm wide in third internode. Leaves 3-foliolate (occasional leaves 1-foliolate); petiole 1.5-14 cm, glabrous to pubescent; leaflet blades ovate-elliptic, elliptic, elliptic-obovate, or narrowly so, in terminal leaflet 6-22 × 2-8 cm, glabrous or puberulent on midvein especially abaxially, apex acuminate or subcaudate. Inflorescences axillary and sometimes basal to leaves, 2-10 × 1.5-8 cm; peduncle 0.4-5 cm; larger primary branches usually spreading. Pedicel 0.6-3 mm but 1.5-6 mm in fruit, sparsely puberulent to pubescent. Sepals 0.5-1(-1.5) mm, connate at base or to ca. 1/4 their length, glabrous or outside pubescent, persistent in fruit. Petals 1.3-2(-2.5) mm, deciduous or rarely persistent in fruit. Stamens 4, in male and bisexual flowers 1.5-3(-4) mm, in female flowers 0.4-1.5 mm; filaments at least in male and bisexual flowers subulate to filiform at apex. Gynoecium in female and bisexual flowers 1-2 mm, in male flowers 0.2-0.5 mm; ovary glabrous to pubescent. Fruit follicles subglobose to ellipsoid to obovoid, (3-)3.5-7.5 mm, glabrous or sparsely puberulent. Seeds subglobose to ovoid to ellipsoid, 2.5-4 mm, attachment Type B. Fl. Apr-Jun, fr. Jul-Oct.
Evergreen and mixed deciduous forests and forest margins, thickets, swamp forests, open places; near sea level to 2300(-2800) m. Fujian, Guangdong, SW Guangxi, Hainan, S Jiangxi, Taiwan, Yunnan, SE Zhejiang [Cambodia, Laos, Myanmar, Thailand, Vietnam].

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