Flowers:- Solitary, axillary, hypogynous, zygomorphic, hermaphrodite. Sepals 5, the dorsal produced into a spur; petals 5, clawed; stamens 8, free, unequal; ovary 3-locular, each loculus with 1 pendent ovule; placentation axile; style 1, apical; stigmas 3, linear.

Fruit:- 3 indehiscent, 1-seeded carpels, which separate from the central axis when mature.

TROPAEOLUM

General description:- Somewhat succulent herbs, procumbent or climbing by coiling petioles.

Leaves:- Alternate; stipules usually absent.