Euphorbia kuwaleana, a member of the Euphorbiaceae (spurge) family, is an erect shrub 20 to 90 cm (8 to 36 in) tall. The leaves, arranged in two rows along the stem, are 11 to 25 mm (0.4 to 1 in) long and 8 to 15 mm (0.3 to 0.6 in) wide, and are oval to occasionally circular in outline with a whitish waxy coating on the upper surface. Flower clusters (cyathia) are occur singly in the leaf axils or sometimes at the branch tips. Capsules and seeds are not described.