They climb by means of twining leaf stalks (petioles) rather than tendrils or twining stems. The family includes many lianas, climbing by tendrils, by twining, or rarely, by aerial roots. Most are tropical herbs, shrubs, or twining vines; some are epiphytes. Trees can be girdled by climbing, twining, and ground-creeping (rampant) vines. They cling by means of twining leaf stalks (petioles). The genus contains three species of shrubs to straggling or twining climbers. Definition&colon; Twisting fibers into a thread or twining strands into a yarn. It is a large, deciduous, extensively-spreading, climbing shrub with several elongated twining branches. It is a slender, laticiferous, twining, sometimes prostrate or semi-erect shrub. Those that climb use twining leaf stalks. Growing to , it is a woody, deciduous twining climber. They climb by means of twining leaf stalks. The smooth stem is erect or somewhat twining. The stems are self-supporting or twining and climbing. They can climb by twining their stems around a support.