Polypodiaceae
水龍骨科
特徵描述
註:依本站目前採用的分類系統,本科部分屬在《Flora of Taiwan》中分屬不同科,因此以下依植物誌使用的科名分列特徵描述。
[ Grammitidaceae 禾葉蕨科 ]
作者
SHIEH, WANG-CHUENG, CHIOU, WEN-LIANG and DEVOL, CHARLES E.
型態特徵
Mostly small epiphytes growing on tree trunks with mosses and liverworts, or on rocks; rhizome short-creeping or suberect; scales usually opaque or sometimes clathrate with clear lumen. Stipes tufted or approximate, usually not articulate to rhizome; fronds simple, pinnate or rarely bipinnate; venation often hidden, usually free; patent hairs usually borne on stipe, rachis and one or both surfaces of lamina. Sori round, oval or linear, dorsal or marginal, superficial or immersed; sporangia often setose; spores tetrahedral. Prothallia filamentous, branched, not cordate.
屬
A family of tropical ferns with about ten genera, six in Taiwan.
參考文獻
[ Polypodiaceae 水龍骨科 ]
作者
SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG
型態特徵
Usually epiphytes, growing on tree trunks, or moss-covered rocks, some terrestrial; rhizome dictyostelic, usually creeping; scales peltate, often clath rate. Fronds often simple (not lobed), pinnatifid, pinnate or rarely digitately lobed; stipes usually articulate to rhizome; veins anastomosing with included veinlets (venation pattern varies with the genera, often hidden). Sori usually round, oval or linear, and in some genera acrostichoid; exindusiate; peltate, clathrate paraphyses often present.
參考文獻
Loxogramme 劍蕨屬
作者
SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG
型態特徵
Small ferns growing on moss covered rocks. Rhizome creeping, covered with a moss of hairy roots; scales dark brown, entire, cell walls thick, paralle with long axis of scale. Stipes distant or tufted, not articulate to rhizome; fronds linear to oblanceolate, usually monomorphic, somewhat fleshy; apex usually acute or acuminate, base gradually narrowed to a short stipe; costa prominent, venation hidden, Sori linear, parallel or more often oblique to costa, without peltate paraphyses.
A genus of about 35 species, five in Taiwan.