Euonymus fortunei var. radicans (Evergreen bittersweet). This is a prostrate, shrubby climber with stems about 1m long, From early to mid-summer it will bear greenish white flowers on the branching, non-clinging adult stems.
Woody perennial, Evergreen, Shrub
E. Asia - China, Japan, Korea
Italics = data drawn from parent genus or species, most usually relevant for the plant in view