Spinous shrub or tree, 3-6 m tall. Leaves 6.5-100 mm, elliptic to ovate, serrulate, acute to acuminate. Leaf perfectly jointed to the petiole. Petiole narrowly winged. Flowers bisexual or male. Petals white, tinged purple. Stamens 20-30; Fruit oblong or rounded mamillate, yellow when ripe; pulp abundant and strongly acid.
Fruiting Period: Aug.-Nov.