Davallia rouffaeriensis Nooteboom, 1994
Description
Rhizome without the scales 1.3-2.8 mm in diametre, white waxy under the scales or not (D. rouffaeriensis Rhizome). Scales brown, without pale border, narrowed evenly towards the apex, often curling backward, not bearing multiseptate hairs, lacking marginal setae or teeth or those rare, or toothed, peltate, 4-6 mm long by 0.8-1 mm broad. Stipes dark brown, adaxially grooved, 3-14 cm long, glabrous or with few scales. Lamina narrowly ovate (D. rouffaeriensis Habitus), elongate, pinnate with pinnatilobed to pinnatifid pinnae towards base and in the middle part, glabrous, 10-22 cm long by 3-6.5 cm broad, not or slightly dimorphous. Pinnae linear-triangular. Longest pinnae 1.5-3.5 cm long by 0.3-0.7 cm broad. False veins not present. Sori separate, frequently single on a segment at the forking point of veins. Indusium attached at the broad base and hardly or not at the sides, more or less triangular to rhomboid, about as wide as long, 0.4-0.6 mm long by 0.4-0.6 mm broad, upper margin not elongated, truncate or slightly rounded, separated from or even with lamina margin (D. rouffaeriensis SEM, picture of indusia).
Distribution
Malesia: New Guinea (Irian Jaya, Rouffaer River 2 coll.).
Ecology
No data available.