檢視兜状青藤的原始碼


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| style="background: #008080" align= center|  '''<big>兜状青藤</big> '''

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|[[File:兜状青藤2.jpg|缩略图|居中|250px|[http://t10.baidu.com/it/u=4218520680,3162081966&fm=171&app=20&f=JPEG?w=640&h=360&s=53317C6CC4B141846135E37A0200405F 原图链接] [https://jingyan.baidu.com/showlist/detail/455a9950e815eca166277817?fr=rec& 来自好看视频]]]

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中文学名:状青藤

拉丁学名:Illigera

trifoliata sp. cucullata

界:植物界

门:被子植物门

纲:双子叶植物纲

科:[[莲叶桐科]]

属:[[青藤属]]

分布区域:国内分布：

产[[云南]]东南部.

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'''兜状青藤'''(dōu zhuàng qīng téng，学名：'''Illigera trifoliata''' sp. cucullata）为[[莲叶桐科]][[青藤属]]下的一个亚种。藤本。茎褐色具槽棱，光滑无毛。叶具3小叶; 叶柄圆柱形，小叶披针状椭圆形或椭圆形至卵形，聚伞圆锥花序腋生，被黄褐色短柔毛。花紫绿色或绿色，果具2翅，翅近圆形，自于[[云南]]东南部。
<ref>[http://www.iplant.cn/info/%B6%B5%D7%B4%C7%E0%CC%D9 兜状青藤], 植物智, 2020-01-18</ref>

==兜状青藤形态特征==
藤本。茎褐色具槽棱，光滑无毛。叶具3小叶; 叶柄圆柱形，长6-8厘米，有条纹，无毛。

小叶披针状椭圆形或椭圆形至卵形，两面无毛，纸质至亚革质，长6-9厘米，宽3.5-6厘米，先端突然短渐尖，基部圆形，侧脉3-4对，与中脉成45度的角；小叶柄长0.8-2厘米，无毛。

苞片长椭圆形，长约2.5毫米，被黄褐色短柔毛。聚伞圆锥花序腋生，被黄褐色短柔毛。花紫绿色或绿色，萼片5，长6-7毫米，外面被褐黄色极短之柔毛；

花瓣与萼片同形稍短，长5-6毫米；雄蕊与花瓣等长，附属物长椭圆形，膜质，长达4毫米，具柄，背部张口状，先端阔楔形；花柱长5-6毫米；子房下位，四棱形，密被黄褐色极短之柔毛。
[[File:兜状青藤1.jpg|缩略图|左|250px|[https://bkimg.cdn.bcebos.com/pic/77c6a7efce1b9d16f097d225f7deb48f8c546425?x-bce-process=image/resize,m_lfit,w_268,limit_1/format,f_jpg 原图链接] [https://jingyan.baidu.com/showlist/detail/455a9950e815eca166277817?fr=rec& 来自好看视频]]]

果具2翅，翅近圆形，径4-4.5厘米。花期8-3月。果期1-9月。 本亚种与原亚种的区别在于小叶侧脉与中脉成45度的角，果翅近圆形，直径4-4.5厘米  。

==分类文献==
Illigera trifoliata (Griff.) Dunn ssp. cucullata (Merr.) Kubitzki in Bot. Jahrb. 89, 169. 1969; et in Fl. Carob. Laos et Vietn. 12: 16. 1970.——I. cucuiiata Merr: in Un. Calif. Publ. Bot. 13: 132. 1926.

Lianas. Stem brown, angulate, glabrous. Leaves 3-foliolate; petiole terete, 6-8 cm, striate, glabrous; leaflets: petiolules 0.8-2 cm, glabrous; blade lanceolate-elliptic, elliptic, or ovate, 6-9 × 3.5-6 cm, papery to subleathery, both surfaces glabrous, lateral veins 3- or 4-paired, arising from midvein at ca. 45°, base rounded, apex abruptly shortly acuminate. Cymose panicles axillary, yellow-brown pubescent; bracteoles narrowly elliptic, ca. 2.5 mm, yellow-brown pubescent.

Flowers purple-green or green. Outer tepals 6-7 mm, abaxially yellow-brown pubescent. Inner tepals similar to outer ones but shorter, 5-6 mm. Stamens ca. as long as inner tepals; filaments straight in bud; appendages on ca. 1 mm stipe, narrowly ellipsoid, to 3 mm total, membranous, abaxially with open mouth, apex broadly cuneate. 

Ovary tetragonous, densely yellow-brown pubescent. Interstaminal glands small. Fruit 2-winged; wings suborbicular or ligulate, 4-4.5 cm wide. Fl. Aug-Mar of following year, fr. Jan-Sep.

Valley forests; 1100-1300 m. SE Yunnan [Laos, Thailand, Vietnam].

Illigera trifoliata subsp. trifoliata is characterized by its leaflets, which are 5.5-15 × 3-9 cm, ± pubescent on both surfaces, with lateral veins arising from midvein at 60°-80°; also, its wings of fruit are ligulate, 2.5-4.5 cm wide.

It is distributed in India (Andaman Islands), Indonesia, Malaysia, Myanmar, and Thailand.Illigera trifoliata subsp. trifoliata is characterized by its leaflets, which are 5.5-15 × 3-9 cm, ± pubescent on both surfaces, with lateral veins arising from midvein at 60°-80°; also, its wings of fruit are ligulate, 2.5-4.5 cm wide. It is distributed in India (Andaman Islands), Indonesia, Malaysia, Myanmar, and Thailand.<ref>[https://jingyan.baidu.com/showlist/detail/455a9950e815eca166277817?fr=rec& 带你认识不同种类的青藤] 2019年10月9日 来源:秒懂百科-原来心叶青藤长这样 服务升级 7兜状青藤的百科知识 00:44 来源:秒懂百科-【秒懂百科】原来兜状青藤长这样 服务升级 8宽药青藤的百科... </ref>

==兜状青藤生长习性==
兜状青藤生长于海拔1100-1300米的山谷中。<ref>[https://haokan.baidu.com/v?pd=wisenatural&vid=14224450556208615865 兜状青藤长这样_好看视频 - 秒懂百科] 视频时长 00:44 2019年8月30日 - 「秒懂百科」原来兜状青藤长这样,本视频由秒懂百科原创提供,0次播放,有0人点赞,0人对此视频发表评论,好看视频是... </ref>
==兜状青藤分布范围==
国内分布：兜状青藤产自于[[云南]]东南部。<ref>[http://flora.blooge.cn/2345.htm 兜状青藤 Illigera trifoliata (Griff.) Dunn subsp. cucu...] 兜状青藤,Illigera trifoliata (Griff.) Dunn subsp. cucullata (Merr.) Kubitzki (Hernandiaceae),植物志,植物区系,植物群,植物群落,花神弗洛拉,FLORA,flora... </ref>

国外分布：兜状青藤分布于[[印度]]([[安达曼群岛]]),[[缅甸]],[[泰国]],[[越南]],[[马来西亚]]及[[印度尼西亚]]。

== 参考来源 ==
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[[Category:370 植物學總論]]