Davallia divaricata var. dimorpha (Holttum, 1937) Nooteboom, 1994
Description
Lamina bipinnate or tripinnate towards base and in the middle part, strongly dimorphous. Lamina of sterile leaves bipinnate, or tripinnate, 40-60 cm long by 25-50 cm broad. Longest pinnae 8-45 cm long by 5-30 cm broad. Pinnules deltoid, 70-200 mm long by 40-110 mm broad. Lamina of fertile leaves 40-60 cm long by 25-50 cm broad (much more dissected than lamina of sterile leaves). Longest pinnae of fertile leaves 8-45 cm long by 5-30 cm broad. Pinnules or pinnalobes deltoid, 70-200 mm long by 40-110 mm broad. Sori separate, frequently single on a segment, at the forking point of veins. Indusium also attached along the sides, pouch-shaped, semicircular, wider than long, 1 mm long by 2 mm broad.
Distribution
Malesia: Malay Peninsula (Pahang, Cameron Highlands 3 coll.).
Note
This is a local form of Davallia divaricata that was described by Holttum as a species. Except for the narrow segments of the fertile fronds and the broader indusia there is, however, no difference.