Chiococca alba (David's Milkberry)
Botanical name: Chiococca alba
Common names: David's Milkberry, West Indian Milkberry, West Indian Snowberry
Family: Rubiaceae
Origin: Florida
USDA Plant Hardiness Zone Map
Chiococca alba is an evergreen woody vine or scrambling shrub that often grows on other vegetation and may reach a height of 6 m (20 ft).
Chiococca alba is sometimes cultivated as an ornamental for its dark green, evergreen foliage and white drupes. It is used in espalier and grown on trellises.
Link to this plant:
https://toptropicals.com/catalog/uid/chiococca_alba.htm