Melicope munroi, a member of the Rutaceae (rue) family, is a sprawling shrub up to 3 m (10 ft) tall. The new growth of this species is minutely hairy. The leaves are opposite, broadly elliptical, 6 to 11 cm (2.4 to 4.3 in.) long, and 3.5 to 7.5 cm (1.4 to 3.0 in.) wide. The veins of the leaf are parallel, in 8 to 12 pairs, and are connected by arched veins near the margin of the leaf. The margins of the leaves are sometimes rolled under. The leaf stalks are 4 to 12 mm (0.2 to 0.5 in) long. The inflorescence is found in the axil of the leaf and contains one to three flowers. The inflorescence stalk is 10 to 15 mm (0.4 to 0.5 in) long, and the individual flower stalk is 15 to 35 mm (0.6 to 1.4 in) long. Female flowers have ovoid sepals about 2.5 mm (0.1 in) long and deltate petals about 8 mm (0.3 in) long. Male flowers have not been described. The fruit is about 18 mm (0.7 in) wide, and the 4 carpels (egg-bearing structures) are fused about one-third of their length.