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广西毛蕨属植物一新种——广西毛蕨

Cyclosorus guangxiense, A New Species of Thelypteridaceae from Guangxi, China
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摘要 报道了广西石灰岩蕨类植物一新种——广西毛蕨(Cyclosorus guangxiense)。本种近似楔形毛蕨(C.pseudocuneatus)和河池毛蕨(C.euphlebius)。不同在于本种根状茎横走;叶疏生,叶柄深禾秆色,无毛;叶片长圆形至卵形,基部略狭缩,全株近光滑;羽片4~5对,羽片具短柄;孢子囊群生于叶脉下部,靠近主脉;孢子囊柄无腺毛。 Cyclosorus guangxiense L.Z.Tang&C.J.An,a new species of Thelypteridaceae from Guangxi,China,is reported.This new species is similar to C.pseudocuneatus and C.euphlebius.Differences are rhizomes long creeping;fronds distant;stipes stramineous,glabrous;laminae oblong to ovate,bases slightly narrowed,apices acuminate to caudate;lateral pinnae 4-5 pairs,proximal 1 or 2 pairs slightly shortened,shortly stalked;sori or⁃bicular,inframedial or medial;sporangiophore no glandular hairs.
作者 唐真郎 唐黎明 何应会 安家成 Tang Zhenlang;Tang Liming;He Yinghui;An Jiacheng(Guangxi Forestry Group,Nanning,Guangxi 530022,China;Department of Forestry of Guangxi Zhuang Autonomous Region,Nanning,Guangxi 530028,China;Guangxi Forestry Research Institute,Nanning,Gungxi 530002,China)
出处 《广西林业科学》 2021年第1期107-110,共4页 Guangxi Forestry Science
基金 自治区主席科技资金项目(1517-06) 2020年自治区林木良种补助项目(广西林草种质资源普查与收集) 广西国家林木种质资源库建设项目(2017-450000-02-01-000800)。
关键词 分类学 金星蕨科 毛蕨属 新种 taxonomy Thelypteridaceae Cyclosorus new species
作者简介 第一作者:唐真郎(1984-),女,本科,主要从事林业推广与应用;通信作者:安家成(1961-),男,教授,主要从事植物分类与应用研究。
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