References : H1, H2
 

This large, mildly venomous species has a light brown body with dark brown or black crossbars which become relatively thicker towards the tail. Occasional totally black forms sometimes occur. It is to be found in lowland areas and is arboreal in habits.

This specimen was found resting in tree branches, overhanging a tributary of the Kinabatangan River, Sabah, Borneo.