Bindweed or Morning Glory Family. Comprised of 59 genera and about 1,600 species that are widespread in both tropical and temperate areas and cultivated for their colorful, funnel-shaped flowers. Most are twinning and erect herbs, with a few woody vines, trees and shrubs. Members of this family usually have trumpet-shaped flowers with five fused petals, five stamens fused to the base of the trumpet, simple leaves growing alternately up the stem, and a superior ovary.