Rhizome trailing, 7-15 mm wide, densel, soft, scaly, scales linear-attenuate or filiform except for ovate yellow-brown to reddish or bronze centre, denticulate; leaves arching or hanging up to 1.5 m away, deciduous in unfavorable seasons; petiole 15-50 cm long, brown, brilliant, scaly at base; leaf-surface oblong to almost deltate or ovate-oblong, 15-100 cm long, 10-50 cm wide; deeply pinnate with large final segment similar to lateral ones; segments in 5-16 pairs, with ligules or linear-attenuate to lanceolate; sori in 2 rows between midrib and edge of segments, exindusiated. Common name: calaguala.