[4] Hexapora curtisii grows as a tree up to 18 metres (60 ft) tall, with a trunk diameter of up to 40 cm (16 in).

Its inflorescences feature small yellow flowers, which bloom from March to December.

[4] Hexapora curtisii is endemic to Peninsular Malaysia, where it is confined to Penang Island.

[4] Hexapora curtisii was assessed in 1998 as Critically Endangered on the IUCN Red List.

[1] While a 2015 search did not locate the species, its forest habitat is intact and protected.