Tristaniopsis whiteana, also commonly known as River Tristania or Pelawan is native to Sumatra, Peninsular Malaysia, Borneo and Singapore! It is from the family Myrtaceae.
This tree is able to reach a maximum height of 25m.
The stalked leathery leaves alternate and measure 7-20 cm in length by 2-5.5 cm in width.
Its tiny flowers are about 5 mm wide. They have white petals and reddish sepals. Flowers are borne on a branched flowering shoot measuring 5-7.5 cm wide. It is insect pollinated.
Its fruits are small, about 2.5-4 mm wide. Its fruit contains from one to many seeds. They are thin, thinly membranous, straight or curved. It is native to Singapore but it is an endangered species