Family: Cucurbitaceae

Family description:

Herbs, often climbing by means of tendrils. Flowers unisexual. Calyx deeply 5(-6)-lobed. Corolla deeply 5(-6)-lobed. Stamens 5, sometimes 3 (owing to 4 being connate in pairs); filaments sometimes all connate; anthers with 1 theca, free or coherent. Ovary inferior, unilocular but often more or less divided by the 2-5 placentae; style usually 1, with 3, usually divided stigmas. Ovules 1 to many. Fruit usually fleshy and indehiscent.

The bicollateral vascular bundles are a well-known and apparently constant feature of the family.