| Field notes | Cespitose, with up to 40 stems. Stem to 3 m, 0.5-1 cm diam; internodes 1-5.5 cm. Leaves 5-9 per stem; sheath 4-7 cm, closed for 1.5 cm; petiole 12 cm, 0.3 cm wide, rounded below, flat above; rachis 14 cm; blade entire, 30 x 16 cm, bifid. Inflorescence bud infrafoliar, inserted two nodes below crown; prophyll 4 cm, 1 cm wide; peduncular bract enclosed in prophyll. Inflorescence infrafoliar, inserted to 12 nodes below crown, once branched; prophyll and peduncular bract deciduous, not seen; peduncle 4 cm; rachis 3 cm; rachillae 4, to 20 cm, 0.3 cm diam. |