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
Selliguea 茀蕨屬
作者
SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG
型態特徵
Small epiphytes growing on tree trunks or more often on rocks; rhizomes creeping, bearing short phyllopodia to which the stipes are jointed; rhizome scales non-clathrate, peltately attached by a broad base, scales usually lanceolate with a long terminal hair-like tip. Fronds deeply pinnatifid, trifid or lanceolate and often with lanceolate and trifid fronds produced on the same rhizome; margins thickened, often with a notch between each pair of main veins. Sori round, superficial or sunken, in one row on each side of the midrib.
About 40 species, eight from Taiwan.
