Botanical name: Porana volubilis
Common names: Horse-tail Creeper, snow creeper, Bridal Bouquet, Christmas Vine
Family: Convolvulaceae
Origin: SE Asia
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. Sometimes called White Corallita. Slow growing. Very attractive similar to Porana volubilis - Porana racemosa.
Similar plants: Porana volubilis (Horse-tail Creeper)
Link to this plant:
https://toptropicals.com/catalog/uid/porana_volubilis.htm