| Antigonon leptopus, Polygonaceae, Coccoloba, Thunbergia, Allamanda|
Antigonon is a genus of flowering plants in the buckwheat family, Polygonaceae. It contains three species native to the Americas.
They are vines producing branching stems with tendrils from a tuberous root system. The leaves are alternately arranged. Flowers are borne in raceme-like clusters, often toward the ends of the stems. The bell-shaped flowers have five tepals usually in shades of pink or purplish, and sometimes yellowish or white. The stamens are joined at the bases, forming a tube.
Species include:Antigonon flavescens S.Watson – lovechain
Antigonon guatimalense Meisn.
Antigonon leptopus Hook. & Arn. – confederate vine, Mexican coral vine, Mexican creeper, queen's wreath, queen's jewels, chain-of-love, mountain rose coralvine