Poranopsis paniculata (Christmas Vine)
Botanical names: Poranopsis paniculata, Porana paniculata
Common names: Christmas Vine, Bridal Bouquet, Snow Creeper
Family: Convolvulaceae
USDA Plant Hardiness Zone Map
A perennial climbing vine that produces dull green, ovate leaves. In the fall, this vine produces a profusion of white flowers in dense clusters.
Similar plants: Poranopsis paniculata (Christmas Vine)
Link to this plant:
https://toptropicals.com/catalog/uid/poranopsis_paniculata.htm