KEY TO THE VARIETIES

1	Plant delicate, growing wild. Leaves 5-14 cm diameter. Fruit (2.5-)4-6 cm long, containing to 10 seeds; seeds 6-8(-10) mm long Trichosanthes cucumerina var. cucumerina
1'	Plant more robust in all parts, cultivated. Leaves to 25 cm diameter. Fruit much elongated, snake-like, 35-100(-150) cm long, containing many seeds; seeds 14-18 mm long Trichosanthes cucumerina var. anguina