វល្លិយាវ / Bai-Yanang (Tiliacora triandra)
Tiliacora triandra, in Khmer, it's called វល្លិយាវ "Voar yeav. " It is a climbing culinary plant with deep green leaves and yellowish flowers, can tolerate a subtropical climate.
My personal journal of a budget-friendly vegetables and herbs propagation in my Redneck Backyard Nursery. Most of which I recalled growing up eating it in a traditional Khmer cooking. In the West, some aren't readily available even at an Asian markets. https://www.ncagr.gov/cyber/kidswrld/plant/nutrient.htm