A new genus and two new species of ferns from Vietnam

被引：1

作者：

Wu, SG ^{[1
]}

Loc, PK

Xiang, JY

机构：

[1] Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China

[2] Inst Ecol & Biol Resources, Dept Bot, Nghia Docau Giayha Noi, Vietnam

来源：

NOVON | 2005年 / 15卷 / 01期

关键词：

Cyrtomium; Dryopteridaceae; fern; Kontumia; Vietnam;

D O I：

暂无

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The new genus Kontumia (Polypodiaceae?) and its type species Kontumia heterophylla from Vietnam are described and illustrated. Kontumia is distinguished from Gymnogrammitis by its scandent habit, dimorphic leaves, clathrate transparent scales on the rhizome and petiole bases, and aspects of leaf morphology. Also, a new species of Cyrtomium from Vietnam is described and named as C. elongatum (Dryopteridaceae). Cyrtomium elongatum is similar to C. wulingense S. F. Wu, but differs by its longer leaves (to 90 cm) and more numerous pinnae (more than 60 pairs) with cordate rather than oblique bases, abaxially with sparse small brown scales, and with brown punctations within the areoles.

引用

页码：245 / 249

页数：5

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