A small shrub to 1.5 m high; leaves broadly ovate, somewhat triangular, dull green; flowers white, small; fruit narrow, red, curved. A mangrove found on the seaward side of mangroves often on rocky areas. Flowers September-December. Fruit January-March.
The leaves are folded in half and blown through to make a sound like a toy whistle.
(Source: Blake, N., Wightman, G., and Williams, L. 1998. Iwaidja Ethnobotany, p. 31. NT Botanical Bulletin No. 23, Parks and Wildlife Commission, Darwin.)