Rhizome erect or short-creeping, covered with brown to blackish hairs, roots numerous and robust. Fronds 3 to 4 pinnate, first set of veins arise apically from the midrib towards the apex. Sori tubular, involucre truncate, receptacles long exserted. Derivation of name: Abros: soft, dictyon: netted; the fronds of some species have a lace-like appearance Worldwide: c. 25 species, pantropical distribution Burundi: 1 taxon. |
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