Davallia sessilifolioides Kato, 1989
Description
Rhizome without the scales 0.8-1.3 mm in diametre, white waxy under the scales (D. sessilifolioides Rhizome). Scales red-brown, without pale border, narrowed evenly towards the apex, often curling backward, not bearing multiseptate hairs, toothed, peltate, 5-8 mm long by 0.5 mm broad. Stipes pale or dark brown, adaxially grooved, 0.5-4.5 cm long, glabrous or with few scales. Lamina ovate (D. sessilifolioides Habitus), pinnate with pinnatilobed to pinnatifid pinnae towards base and in the middle part, deltoid and broadest towards base, glabrous, 4-7 cm long by 1.7-2.5 cm broad, not or slightly dimorphous. Pinnae linear. Longest pinnae 0.8-1.5 cm long by 0.3-0.8 cm broad. Ultimate leaflets lobed almost to or halfway towards midrib, veins in ultimate lobes of sterile leaves single or forked. False veins not present. Sori separate, usually borne single on a segment at the forking point of veins. Indusium attached at the broad base and hardly or not at the sides, ovate or semicircular, longer than wide, or about as wide as long, 1-1.2 mm long by 0.8-1 mm broad, upper margin not elongated, truncate or slightly rounded, separated from or even with lamina margin (D. sessilifolioides SEM, picture of indusia).
Distribution
Malesia: Moluccas (Seram, Manusela Nat. Park 4 coll.).
Ecology
Altitude 200-1000 m.
Note
This species is closely related to Davallia sessilifolia , mainly differing in the more dissected leaves.