it seems to be endemic to the philippines and is usually found in forests. propagation has always been difficult. it is considered an endangered species due to the destruction of its habitat and the decrease of its natural pollinators. there seems to be a method of marcotting through mature woody stems. it is best planted in ground near a water source, but not inundated. the vine entwines itself through the trunk and branches of trees and the leaves spread over the canopy. the flowers hang like clusters of grapes.