| Field notes | Stem 1 m tall, 5 cm thick. Lvs 8-10, erect; petiole 120 cm long; blade 160x75 cm; pinnae 33 per side, sigmoid, all 1-nerved, equal, regularly inserted in one plane. Inflorescence interfoliar, prophyll inserted at base of peduncle, 43x4 cm; peduncular bract inserted 3 cm from base, linear, 52x2 cm, thin; peduncle 58 cm, rachis 35, recurved, green when immature |