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Aspleniaceae

鐵角蕨科

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特徵描述

作者

SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG

型態特徵

Terrestrial, petrophilous or epiphytic ferns of a wide variety of forms; rhizomes dictyostelic, creeping or erect; scales usually clathrate, narrowly lanceolate, dark brown to black. Fronds simple, pinnate to decompound; stipes not articulate to rhizome, with two vascular strands at base of stipe, uniting to form an X shaped strand in upper stipe; venation usually free and forking. Sori linear, borne on side of a veinlet; indusia linear, narrow.

Containing the one large genus Asplenium and about ten small genera; only one genus in Taiwan.

參考文獻

Asplenium 鐵角蕨屬

作者

SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG

型態特徵

Rhizome creeping, or short and erect; mostly terrestrial or growing on rocks, some epiphytic on tree trunks; scales clathrate, dark brown to black; margins of bases of pinnac or pinnules continuous with rachis groove. Fronds simple, longitudinally cleft, trifoliate, or pinnate to decompound, sometimes proliferous at apex; venation free except in a few species where the tips of the veins unite to form an intramarginal vein. Sori linear, borne on side of a vein; indusia linear, narrow, usually opening towards the midrib.

參考文獻

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