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同江细辛
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| [[File:安徽碎米荠1.jpg|缩略图|居中|250px|[http://img1.iplant.cn/gotoimg/236/6904B5D59C7539C5.jpg 原图链接] [http://www.iplant.cn/info/Cardamine%20anhuiensis?t=p 来自植物智]]]
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物种详细信息
拉丁学名:Asarum tongjiangense
Z. L. Yang (accepted name)
中文名:同江细辛 (TóngJiāngXìXīn)
分类等级:
Plantae - 植物界 (ZhíWùJiè)
Phylum Angiospermae - 被子植物门
(BèiZǐZhíWùMén)
Class Dicotyledoneae - 双子叶植物纲
(ShuāngZǐYèZhíWùGāng)
Order Aristolochiales - 马兜铃目 (MǎDōuLíngMù)
Family Aristolochiaceae - [[马兜铃科]]
(MǎDōuLíngKē)
Genus Asarum - [[细辛属]] (XìXīnShǔ)
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'''同江细辛'''(tóng jiāng xì xīn,学名 '''Asarum tongjiangense''' Z. L. Yang),是一种植物,属于[[马兜铃目]]。一年生或多年生草本,直立或者盘绕,雌雄异株或有时雌雄同体,叶柄8-22厘米,无毛; 心形叶片均匀绿色,花柱离生,先端具缺刻;产于[[四川省]]。
<ref>[http://www.iplant.cn/info/%CD%AC%BD%AD%CF%B8%D0%C1 同江细辛], 植物智, 2020-01-18</ref>
==生态特征==
Asarum tongjiangense Z. L. Yang
同江细辛 tong jiang xi xin
一年生或多年生草本,直立或者盘绕,雌雄异株或有时雌雄同体,通常有一些钟乳体(在毛状体基部的一个坚固的钙化碳酸盐结构)根状茎水平面,直径约3毫米, 节间的0.5-2(-5)厘米叶单生;
叶柄8-22厘米,无毛; 心形叶片均匀绿色,卵状心形的到三角形,或很少戟形心形, 5-13 * 4-10 厘米,背面无毛,正面茸毛,基部心形或很少耳形,侧面裂片 1.5-2 * 1.5-4 厘米,先端渐尖;
芽苞叶披针形,大约 1.8 * 0.6-1 厘米。花序梗上升,1-3.5 厘米。花萼略带紫色,钟状, 4-5 * 3-4 厘米;萼片合生超过贴生的子房,背面无毛;
筒部近圆筒状, 1.2-1.5 * 0.9-1.5 厘米,稍缢缩在喉部,正面纵向具皱褶,孔环2-3毫米宽; 卵形裂片三角形, 1.5-2 * 1-2 厘米,正面密被绒毛,基部具三角形的具皱纹区。
雄蕊12; 比花药花丝短; 药隔稍延伸超过药隔,舌状。 子房差不多上位的或半下位。 花柱离生,先端具缺刻; 柱头侧。 花期 4月6月。
Herbs. Rhizomes horizontal, ca. 3 mm in diam., internodes 0.5-2(-5) cm. Leaves solitary; petiole 8-22 cm, glabrous;
leaf blade uniformly green, ovate-cordate to triangular-cordate, or rarely hastate-cordate, 5-13 × 4-10 cm, abaxial surface glabrous, adaxial surface velutinous, base cordate or rarely auriculate, lateral lobes 1.5-2 × 1.5-4 cm, apex acuminate;
cataphylls lanceolate, ca. 1.8 × 0.6-1 cm. Peduncle ascending, 1-3.5 cm.
Calyx purplish, campanulate, 4-5 × 3-4 cm; sepals connate beyond attachment to ovary, abaxially glabrous; tube subcylindric, 1.2-1.5 × 0.9-1.5 cm, slightly constricted at throat, adaxially longitudinally corrugate, orifice ring 2-3 mm wide;
lobes triangular-ovate, 1.5-2 × 1-2 cm, adaxially densely tomentose, base with triangular papillate-rugose area.
Stamens 12; filaments shorter than anthers; connectives slightly extended beyond anthers, ligulate. Ovary nearly superior or half-inferior.
Styles free, apex notched; stigmas lateral. Fl. Apr-Jun.
==生境产地==
* Forests, mountain slopes; 800-1400 m. NE Sichuan.
No specimens were seen; the data above are from the original description and figure.
===分布地:===
Sichuan
分布地(中文):[[四川]]
==源数据库:==
China checklist of higher plants, 2013
审核专家:Ma, Jin Shuang([[马金双]]), 2009-05-25 15:04:05
== 参考来源 ==
{{reflist}}
[[Category:370 植物學總論]]