Slender tree, 4-6 m tall. Spines absent or short. Leaves 6-8 cm, lanceolate to ovate-lanceolate, serrate; petiole narrowly winged. Flowers white, axillary, mostly bisexual. Stamens more or less united into a tube. Fruit oblate or pyriform, 5-8 cm in diameter. Rind bright yellow to orange, tinged red, with sunken oil glands, usually rough and warty; rind easily separable from the pulp vesicles. Axis hollow. Pulp vesicles loosely attached. Pulp orange, sweet or acidic.