找植物
找標本
電子書

Pteridaceae

鳳尾蕨科

特徵描述
屬列表
標本列表

特徵描述

作者

SHIEH, WANG-CHUENG

型態特徵

Terrestrial ferns; rhizome erect or creeping, solenostelic or dictyostelic, clothed with scales. Fronds uniform or subdimorphic, 1-3-pinnate or variously divided, not articulate to rhizome; veins free or anastomosing without included free veinlets. Sori round or oblong, borne on distal ends or on the apical parts of veins, or forming continuous conenosori borne on the vascular commissure connecting the vein-ends, without true indusium, but protected by the modified and sharply reflexed leaf-margin and opening introrsely; sporangia developing in mixed sequence, with vertical annulus. Spores tetrahedral or rarely bilateral.

A family of about 20 genera and 650 species, mainly tropical in distribution; six genera and 42 species in Taiwan.

參考文獻

Acrostichum 鹵蕨屬

作者

SHIEH, WANG-CHUENG

型態特徵

Terrestrial ferns of brackish marsh; stem erect, short, stout, woody, scaly. Fronds erect, simply pinnate with large entire pinnae, thick-coriaceous, glabrescent; venation closely and uniformly reticulate without included veinlets. Sporangia borne on the distal pinnae, densely covering the dorsal surface without distinction of sori, mixed with large, capitate, lobed paraphyses.

參考文獻

標本列表

學名 中名 標本數