Melanochyla scalarinervis grows as a tree up to tall, with a trunkdiameter of up to. The blackbark is smooth. The leathery leaves are oblong measure up to long and to wide. The smooth, ellipsoid fruits measure up to long.
Taxonomy
Melanochyla scalarinervis was described by Malaysian botanist K. M. Kochummen in 1996 in Sandakania. The type specimen was collected in Sarawak. The specific epithetscalarinervis means 'ladder-like veins', referring to the leaves.