The inflorescences measure up to 7 cm (3 in) long and bear cream flowers.
[3] Hopea sangal is native to Thailand, Peninsular Malaysia, Singapore, Sumatra, Borneo, Java and Bali.
In the Kalimantan region of Borneo, ectomycorrhizal (symbiotic) relationships with this species have been reported.
[1] Hopea sangal has been assessed as vulnerable on the IUCN Red List.
It is threatened by land conversion for agriculture and palm oil plantations.