Lindsaea acutifolia Desv.
Lindsaea lanuginosa (J. Sm.) Hook.
Isoloma lanuginosa J. Sm.

Rhizome erect with long creeping stolons. Fronds tufted, suberect, firmly herbaceous. Stipe pale-brown, 15-18(-30) cm, matt with minute lanceolate lacerate pale-brown scales when young becoming glabrous with age. Lamina up to 200 x 15 cm, pinnate, very narrowly elliptic in outline, acute, the lower pinnae gradually reduced, tapering over 50 cm or more; pinnae up to 65 pairs, shortly petiolate, the middle pinnae very narrowly oblong-attenuate, prominently auricled on the acroscopic side of the base, entire, both surfaces with sparse minute stellate hairs, submarginal hydathodes prominent on the ventral surface; the lower reduced pinnae oblong-obtuse, truncate at the base; rhachis pale-brown, matt, densely set with lanceolate lacerate ciliate minute scales becoming subglabrous with age. Sori submarginal, up to 1 mm broad at maturity, facing outwards, linear, often apparently forming a continuous submarginal soral line; indusium very narrowly linear, membranous, entire.

Coastal vegetation on mangroves, oil palms, coconut trees, and on cliff faces.

Africa, Madagascar, Mascarenes, Rodrigues Isl., also Asia, Australia and Pacific.

Cameroon, Congo, Dem. Republic of Congo, Gabon, Kenya, Mozambique.

Epiphytic.