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Description from Flora of China

Bathmium C. Presl ex Link; Cardiochlaena Fée; Ctenitopsis Ching ex Tardieu & C. Christensen; Fadyenia Hooker; Hemigramma Christ; Lenda Koidzumi; Podopeltis Fée; Quercifilix Copeland; Sagenia C. Presl.

Plants terrestrial. Rhizome erect or ascending to creeping, short or long, stout or slender, scaly at apex; rhizome and basal stipe scales brown, lanceolate, margins entire or ciliate, membranous. Stipe stramineous or brown to black, scaly at base or sometimes throughout. Fronds monomorphic to strongly dimorphic, simple or pinnate to multiple times pinnate-pinnatifid, often triangular or pentagonal, pinnae and lobes usually entire, never serrate; all axes hairy with articulate multicellular hairs; veins variously anastomosing, included veinlets if present simple or forked. Sori terminal on included free veins, dorsal on veins or compital on connected veins, usually orbicular, sometimes elongate, anastomosing in lines, in some species throughout abaxial surface of lamina when mature, indusiate or exindusiate; indusia if present orbicular-reniform, persistent or caducous. Spores ovoid or elliptic, perispore verrucose, rugose, or spinose. n = 10, (40).

About 230 species: pantropical; 35 species (six endemic) in China.

(Authors: Xing Fuwu (邢福武), Yan Yuehong (严岳鸿); Maarten J. M. Christenhusz)

Lower Taxon


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