Davallia undulata (Alderwerelt, 1922) Nooteboom, 1994
Description
Rhizome without the scales 1.5-2 mm in diametre, not white waxy (D. undulata Rhizome). Scales nearly black, without pale border, distinctly acicular, often curling backward, not bearing multiseptate hairs, lacking marginal setae or teeth or those rare, peltate, 3-5 mm long. Stipes dark brown, not grooved, 2.5-5 cm long (winged towards the apex), glabrous or with few scales. Lamina simple (D. undulata Habitus), one entire leaf, glabrous, 6-17 cm long by 1 cm broad, not or slightly dimorphous. Fertile leaf 7-20 mm broad. Veins in sterile leaves parallel, once or twice branched from the base. Sori connate, elongate along leaf margins (D. undulata SEM, picture of indusia).
Distribution
Malesia: Moluccas (Halmaheira, Ternate and G. Sembilan 1 coll. each).
Ecology
Epiphyte. Altitude 600 m.