Small to large tree (up to c. 30 m high in cultivation), often with several trunks; bark thin and always deciduous, exposing the smooth, mottled, whitish or pale grey trunks. Lvs peppermint-scented; juvenile c. opposite for 10 pairs, sessile, ± narrow-lanceolate; base symmetric. Adult lvs with petiole < 7 mm long; lamina 4-9 × 0.3-0.5-(0.7) cm, linear or narrow-linear, green, subcoriaceous, with inconspicuous venation; base attenuate, symmetric; apex shortly aristate. Umbels axillary, usually of 7-13 fls; peduncle < 5 mm long, angular; pedicels very short. Buds < 4.5 mm long, clavate, green; operculum hemispheric, < hypanthium, apiculate or acute. Stamens white; anthers reniform. Fr. subsessile, 5-5.5 × 5-6.5 mm, broadly pyriform to almost hemispheric; valves 4, ± level with capsule rim; disc 1-1.5 mm wide, flat or ± convex.