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Cucurbitaceae

Flowers: Imperfect and the plants monoecious or dioecious, actinomorphic; petals connate, often yellow; filaments and anthers often connate; anthers straight to folded or bent; carpels 3, syncarpous; ovary inferior, 1-locular with many parietal ovules; hypanthium sometimes present

Inflorescences: Flowers solitary or in axillary cymes, panicles, or racemes

Fruits: Pepo, also berries or capsules

Habit: Herbaceous vines with tendrils; producing triterpenoid cucurbitacins

Leaves: Alternate, palmately lobed or divided, no stipules

Examples:
Citrullus lanatus (watermelon)
Cucumis (cucumber, cantelope)
Cucurbita (pumpkin, squash)
Ecballium (squirting cucumber)
Echinocystis lobata (wild balsam-apple)
Lagenaria (white-flowered gourds)
Luffa cylindrica (vegetable sponge)