Teratophyllum brightiae Holttum

Rhizome slender, wiry, almost glabrous in the older parts, scaly at the apex; scales 2-3 mm long, appressed, dark brown to black. Fronds 1-pinnate; bathyphylls 10-25 cm long, 2-7 cm wide; pinnae oblong, up to c. 20 pairs, 2-3.5 cm long, c. 1 cm wide; acrophylls 25-75 cm long, 12-24 cm wide. Pinnae narrowly lanceolate to narrowly elliptic or linear, 6-12 cm long, 1-1.6 cm wide; apex often caudate with finely crenate margins. Fertile lamina 25-75 cm long, 10-24 cm wide; pinnae linear, 15-25 cm long, 1-2 mm wide.

Terrestrial in rainforests, creeping over the ground and on rocks when young; mature plants climbing high into trees.