Frond morphology and epidermal anatomy of Compsopteris wongii (T. Halle) Zalessky from the Permian of Shanxi, China

Frond morphology and epidermal anatomy of Compsopteris wongii (T. Halle) Zalessky from the Permian of Shanxi, China
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山西二叠纪黄毛蕨叶体形态及表皮解剖

DOI:
10.1007/s12542-019-00471-0
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发表时间:
2019-09
期刊:
Paläontologische Zeitschrift
影响因子:
--
通讯作者:
Jun Wang
Jun Wang
中科院分区:
其他
文献类型:
--
作者:
Malte Backer;Ming-Li Wan;Jun Wang

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华夏华夏植物群的系统亲缘关系未知,是一种神秘的叶型。本文描述了山西坡楼沟剖面标本中国的叶形态和表皮解剖。叶具叶柄(即具有裸柄),一度羽状,具翅片状、线状长方形小羽片和由两个大小相等的顶生小羽片组成的分叉顶端。叶为两面体,各部分均具单唇、单环或不完全的三环气孔。在叶的形态和表皮解剖方面,该种很好地对应于被认为是欧亚大陆的亲缘关系的种皮,如Glenopteris Sellards和Protoblechnum Lesqueux。我们认为Wongii属于盾翅目的一个类群。
Compsopteris wongii (T. Halle) Zalessky is an enigmatic foliage type with unknown systematic affinities endemic to the Permian Cathaysia flora. Here we describe the frond morphology and epidermal anatomy of C. wongii based on material from the Palougou Section in Shanxi Province, China. Fronds are petiolate (i.e., possess a naked stipe), are once pinnate, and have alethopteroid, linear-oblong pinnules and a forked apex composed of two equally sized terminal pinnules. Fronds are amphistomatic, with haplocheilic, monocyclic to incompletely tricyclic stomata occurring on all parts. With regard to frond morphology and epidermal anatomy, the species corresponds well to supposedly related peltasperms from Euramerica, such as Glenopteris Sellards and Protoblechnum Lesquereux. We attribute C. wongii to the glenopteroid group of peltasperms.
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发表时间: 1997-05
影响因子: 1.9
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