Description from Flora of China
Stenocalyx O. Berg.
Trees or shrubs. Leaves opposite, petiolate; leaf blade pinnately veined. Inflorescences axillary or often lateral below leaves. Flowers bisexual, solitary or clustered. Hypanthium short. Calyx lobes 4. Petals 4. Stamens numerous; anthers parallel, longitudinally dehiscent. Ovary 2- or 3-loculed; ovules many per locule, amphitropous. Fruit a berry, with persistent sepals at apex. Seed usually 1, embryo straight, with 2 fully or partly fused massive cotyledons.
In addition to Eugenia uniflora treated below, the following species are recorded as occasionally being cultivated in China: E. aherniana C. B. Robinson, E. brasiliensis Lamarck, E. buxifolia Willdenow, E. dombeyi (Sprengel) Skeels, and E. pitanga Kiaerskov.
About 1000 species: mostly in tropical America but also in Africa, S and SE Asia, Australia, Madagascar, Mascarenes, New Caledonia, and the Pacific islands; one species commonly cultivated in S China.