Evergreen or deciduous, usually spiny shrubs or small trees. Leaves simple, alternate, serrate, or crenate, shortly petiolate; stipules leafy, persistent, larger on long shoots. Inflorescence a cymose cluster, or flowers solitary. Flowers large and showy, usually pink or red. Sepals 5, deciduous, reflexed or ascending; petals 5, ovate or suborbicular; stamens numerous; carpels 5, fused, enclosed in and united to receptacle, walls cartilaginous in fruit, ovules numerous. Fruit an ovoid or globose pome with thick, hard flesh, yellow or yellowish-green; seeds many.
About 5 species from eastern Asia; 2 naturalised in Australia.
Hybrids and cultivars are commonly grown as ornamentals.