中国铁角蕨科一新记录种——素功膜叶铁角蕨  

Hymenasplenium wusugongii Li Bing Zhang,W.B.Liao&K.W.Xu(Aspleniaceae),a new record to China

作　　者：梁思娣 韦宏金 Liang Sidi;Wei Hongjin(Eastern China Conservation Centre for Wild Endangered Plant Resources,Shanghai Chenshan Botanical Garden,Shanghai 201602,China;College of Life Sciences,Shanghai Normal University,Shanghai 200234,China)

机构地区：[1]上海辰山植物园,华东野生濒危资源植物保育中心,上海201602 [2]上海师范大学生命科学学院,上海200234

出　　处：《植物科学学报》2024年第5期555-558,共4页Plant Science Journal

基　　金：国家重要野生植物种质资源库辰山中心项目(ZWGX2302)。

摘　　要：报道了采自云南省景洪市的中国铁角蕨科膜叶铁角蕨属(Hymenasplenium)一新记录植物——素功膜叶铁角蕨(Hymenasplenium wusugongii Li Bing Zhang,W.B.Liao&K.W.Xu)。素功膜叶铁角蕨为近年发表的新种,之前仅发现于老挝北部琅勃拉邦区,其叶片狭卵形至狭三角形,宽达12 cm,先端渐尖,一回羽状,分离羽片6~12对,羽柄较长,羽片基部下侧缺失1或2条小脉,是膜叶铁角蕨属中形态较为独特的一个物种。该文对素功膜叶铁角蕨的形态特征进行了详细描述,并提供了线描图和生态照片,凭证标本保存于上海辰山植物标本馆(CSH)和广西植物研究所标本馆(IBK)。Hymenasplenium wusugongii Li Bing Zhang,W.B.Liao&K.W.Xu is newly recorded from Jinghong City,Yunnan Province,China.This recently described species was previously known only from Luang Prabang District in northern Laos.Hymenasplenium wusugongii is characterized by a narrowly ovate to narrowly deltoid lamina,up to 12 cm wide,with a 1-pinnate structure,an acuminate apex,and long-stalked pinnae that lack 1–2 basal basiscopic veins,making it morphologically distinct within the genus Hymenasplenium.This paper provides a detailed description of its morphological characters,along with in-situ photographs and illustrations.Voucher specimens have been deposited in the Shanghai Chenshan Herbarium(CSH)and Herbarium of Guangxi Institute of Botany(IBK).

关 键 词：铁角蕨科 素功膜叶铁角蕨 中国 新记录 

分 类 号：Q949.36[生物学—植物学]