Lonchitis tisserantii Alston & Tardieu

Rhizome long and creeping, to 12 cm long, 1.5 cm diameter, densely brown-hairy at apex. Fronds spaced, up to 1.5 m tall. Stipe straw-coloured or brown, rather slender, densely covered with spreading hairs, 2.5 mm long with pustular bases. Lamina narrowly triangular or oblong in outline, up to ± 1 x 0.4-0.45 m, 2-pinnate. Non-pinnate pinnae 5–13 x 1.5–6 cm; terminal pinna and upper lateral pinnae of frond and also terminal parts of lower pinnae narrowly triangular in outline, pinnatifid; pinnules free, sometimes in upper part of frond joined by a winged rhachis, in about 7–11 pairs, oblong to oblong- lanceolate in outline, 3–5.5 x 1.5–2 cm, rather shallowly crenate, the crenulations mostly under 5 mm long, sessile or nearly so, ± densely covered with long white hairs. Rhachis slender, densely covered with short hairs, slightly roughened by hair-bases. Sori ± round to semilunate or U-shaped, small, in sinuses and crenulations.

tisserantii: named after Rev. C. Tisserant (1886-1962), French cleric, ethnologist, traveller, plant collector in Angola, Mozambique and the Central African Republic, author of works on flora and languages of the areas he visited.

Forest.

See African distribution.

Cameroon, Central African Republic, Equatorial Guinea (incl. Bioko), Gabon, Nigeria, Tanzania , Uganda.

Terrestrial.