河南省鳞毛蕨科耳蕨属一新记录种——亮叶耳蕨  

Polystichum lanceolatum,a Newly Recorded Species of Dryopteridaceae from Henan

作　　者：李家美[1] 夏至[1] 

机构地区：[1]河南农业大学,郑州450002

出　　处：《西北植物学报》2012年第2期416-418,共3页Acta Botanica Boreali-Occidentalia Sinica

基　　金：国家自然科学基金(31070171);农业部农业野生植物资源调查资助项目

摘　　要：报道了河南省鳞毛蕨科耳蕨属一新记录种——亮叶耳蕨(Polystichum lanceolatum Baker)。对该种进行了特征描述,并编制了河南耳蕨属植物检索表。该种近似正宇耳蕨(P.liui Ching),但羽片上侧耳状凸起不明显,边缘有7～8个具短刺头的牙状齿,孢子囊群在主脉上侧最多3个,下侧不育或偶有1个,囊群盖圆盾形,全缘等特征而不同。凭证标本存放于河南农业大学植物标本馆(HEAC)。Polystichum lanceolatum is reported as a newly recorded species of Dryopteridaceae from Henan. The detailed description and photos are presented. A key is provided to aid in the identification of Polysti- chum indigenous to Henan Province. P. lanceolatum is related to P. liui Ching,but differs from the latter in having no distinct aeroscopic lobe, margins strongly serrate with 7 -8 denticulate spinules acroscopically and apically,3 sori bearing a row on the acroscopic auricle,absent or sometimes 1 on the lower side of the costa,indusium margin entire. The voucher specimens are deposited in Herbarium of Henan Agricultural University （HEAC）.

关 键 词：亮叶耳蕨 鳞毛蕨科 新记录 河南 

分 类 号：Q949.36[生物学—植物学]