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Description from Flora of China

Plants terrestrial. Rhizome long creeping, with castaneous hairs, without scales. Fronds distant, long stipitate; stipe with only 1 vascular bundle; lamina pinnate, thinly leathery; rachis often zigzag, flexuous, ciliate. Sori submarginal, on a vascular commissure joining apices of veins; indusia double, formed by two layers, outer layer false, formed by reflexed edge of lamina, inner layer true, not conspicuous; annulus consisting of (12-)17-20 incrassate cells; spores monolete, smooth as if polished. x = 13.

About 14 species: widely distributed in tropical America and SE Asian-Pacific islands, from New Zealand to Tahiti, Philippines (Luzon), Indonesia (Sumatra), and China (Taiwan); one species (endemic) in China.

(Authors: Liao Wenbo (廖文波), Ding Mingyan (丁明艳), Wu Zhaohong (吴兆洪 Wu Shiew-hung); Jefferson Prado)

Lower Taxon


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