The species is 15 metres (49 ft) tall. Juvenile have a flattened stem, while adult stem is brown in colour and is 3β4 centimetres (1.2β1.6 in). It is also tuberculate and subterete and have 3β6 centimetres (1.2β2.4 in) long internodes. The species petiole is either smooth or tuberculate, and can also be densely flecked with white spots which are 30β55 centimetres (12β22 in) long. They are also vaginate to the geniculum with its deciduous sheath wings, which sometimes are fibrous at the base of the petiole. It geniculum is 3β4 centimetres (1.2β1.6 in) long and is often of a rough texture and dark brown in colour. The species have a bright green coloured lamina that is soft in texture and is not glossy. It trichosclereids is absent and is 60β120 centimetres (24β47 in) long by 35β60 centimetres (14β24 in) wide. It also has a peduncle which is terete, tuberculate and is 1.5β2.5 centimetres (0.59β0.98 in) thick and 14β18 centimetres (5.5β7.1 in) long. The species spathe is white in colour, is obovate, and is 15β18 centimetres (5.9β7.1 in) tall. It is also blunt or shortly mucronate with flowering spadix being deep green to greenish gold coloured and is 14β19 centimetres (5.5β7.5 in) long and 3.5β5.5 centimetres (1.4β2.2 in) thick.