The leaves of Melaleuca biconvexa are distinctive in having the mid-vein in a groove with either side of the leaf blade curving up wing-like from this vein, and the flowers  are cream to white, at or near the ends of the branches in heads of 2 to 10 flowers, the heads up to 17 millimetres (0.7 in) in diameter.
The leaves are distinctive in having the mid-vein in a groove with either side of the leaf blade curving up wing-like from this vein. The flowers are cream to white, at or near the ends of the branches in heads of 2 to 10 flowers, the heads up to 17 millimetres (0.7 in) in diameter. 
