| Field notes | Stem solitary, 5 m tall, 4 cm diam. below leaves, green, prominently ringed; internodes c. 3 cm long below leaves, c. 20 cm long at the base. Crown shaft green, 40 cm long. Leaves 4; petiole 10 cm long, groovedabove, ringed below; rachis 146 cm long, ringed above, rounded below; pinnae 2 x 29; blade 115 cm wide, 170 cm long. Inflorescence (staminate) infrafoliar with at least 18 buds per node, rachis, rachillae and flowers white, inflorescence erect at anthesis. |