English: Pumpkin Beth.
Synonym: Humata heterophylla
Region: Southeast Asia, Philippines, Borneo, Papua, Solomon Islands.
Habitat: prefers high humidity, indirect light to partial shade, well-draining, airy mix (bark, sphagnum moss, perlite; on tree trunks, rocks, forest floors.
Use: ornamental, ground cover in terrariums, vivariums, orchidariums.
BotanyType: fern; epiphytic; creeping, climbing by adhering with fine roots to moist surfaces, cork, wood, glass.
Leaves: variable, dimorph, distinctive heterophylly; juvenile leaves simple, unlobed, lance-shaped, 5 to 12 cm long, ridged by prominent parallel veins; mature leaves progressively more divided, developing shallow to deep lobes or pinnate structures, up to 10 to 25 cm long, more spore-bearing; tough, coriaceous, leathery, thick compared; rich, deep emerald to dark green.
Root: rhizomes; slender, creeping stems covered in pale brown to reddish-brown scales.
Sori : along the margins of the fertile frond lobes, protected by cup-shaped or pocket-like indusia.