This family of tropical trees, shrubs and climbers comprises 180 genera and 1500 species. The leaves are typically simple and entire and arranged in opposite pairs. The large flowers are regular with 4 or 5 petals, often forming a funnel or dish shape. Members of this family are much cultivated in the tropics and many are grown under glass in more temperate regions.
Last update:March 24, 2016 at 22:45:03 UTC