| Field notes | Solitary. Stem 6.0 m, green. Leaves 5, spreading; sheaths forming a crownshaft, 50 cm, smooth, green; petiole 30 cm, glabrous, green, rounded below, channelled above; rachis 104 cm, green, rounded below, ridged above; pinnae 24 per side, regularly inserted, evenly spaced; basal pinnae 40 x 2 cm; middle pinnae 52 x 4 cm; apical pinnae 27 x 4.5 cm. Inflorescences 6 per node; prophyll 10 cm; peduncular bracts 4 plus 1 incomplete. |