河南省五加科1新记录属——梁王茶属
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引用本文:李景照,黄红慧,焦铸锦,徐东亚,刘宗才.河南省五加科1新记录属——梁王茶属[J].西北植物学报,2019,39(7):1329~1332
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李景照1,3,黄红慧3,焦铸锦1,2,徐东亚1,3,刘宗才1,2* (1 南阳师范学院 南水北调中线水源区水安全河南省协同创新中心河南省南水北调中线水源区生态安全重点实验室河南南阳4730612 南阳师范学院 农业工程学院河南南阳4730613 南阳师范学院 生命科学与技术学院河南南阳 473061) 
基金项目:河南省南水北调中线水源区水生态安全创新型科技团队专项(17454);
中文摘要:报道了河南省五加科(Araliaceae)1个分布新记录属及其属下1新记录种,梁王茶属(Metapanax J. Wen & Frodin),异叶梁王茶[Metapanax davidii (Franchet) J. Wen & Frodin]。该种为常绿灌木,叶为单叶或掌状分裂,花聚生为伞形花序,再组成顶生的圆锥花序,苞片早落,花梗具关节,子房2室,核果,扁球形,花期7~8月,果期9~11月。讨论了该种叶、花、果的形态学变异特征和其区系地理学意义。该新记录的发现对梁王茶属的系统分类、迁移演化以及药用植物资源开发具有重要的意义。
中文关键词:河南  五加科  新记录  异叶梁王茶
 
Metapanax, a Newly Recorded Genus of Araliaceae from Henan Province
Abstract:Metapanax J. Wen & Frodin and Metapanax davidii (Franchet) J. Wen & Frodin are recorded as a new record genus and a new record species in Henan. Metapanax davidii is green shrubs. Leaves are simple or palmate. Inflorescence is a terminal panicle with several umbels. The bracts are deciduous early before the flower opening. Pedicels are articulated below ovary. Calyx has 5 tooth. Petals and stamens are five. The ovary is 2 loculus. Styles are connate in the base and 2 lobed in the apex. Fruit a drupe, laterally compressed. It flowering from July to August, and fruiting from September to November. The morphological variations of the leaves, flowers and fruits and the geographical significance of the species are discussed. The discovery of new distribution in Henan is important significance on phylogenetic evolution, migration and medicinal plant resources development of genus Metapanax.
keywords:Henan  Araliaceae  new record  Metapanax davidii
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