Lota futki or Balloon plant (cardiospermum halicacabum, family: sapindaceae) a large creeper with wiry stems, climbing other trees with tendrils, sometimes completely covering the host. The climber is native to tropical and subtropical Africa and Asia. Fruits are 3-seeded. Each seed have a heart-shaped mark at the top.
Common names: Lota futki, Balloon plant, Balloon vine, Love in a puff.
Flowering and budding occurs round the year. Flowers are very small, greenish white. The plant grows on fallow land as weed in Bangladesh. It is used in rheumatism, constipation, urinary and menstrual disorder. Leaves are compound, ternate, lanceolate, lobed or serrated, 4-8 cm long. Fruit is triangular, 1.5-4 cm wide, hairy and black when ripe. Calyx develop into the coat of fruit.