Botanical name: Momordica dioica Family: Cucurbitaceae (pumpkin family)
Ban karela is a large perennial climber which grows up to 3-5 m. Alternately arranged ovate leaves are 3-5 lobed. Yellow flowers are 4-6 cm across, solitary on axillary stalks. Male and female plants are on different plants. Fruit is an ellipsoid, 3-6 cm long, densely covered with soft spines.
The flower labeled Ban Karela is ...