1, morphology is different: heterophyllous snake grape woody vine, branchlets terete, with longitudinal ribbing, sparsely pilose. Show teeth snake. Woody vine. Branchlets terete, with conspicuous longitudinal ribs, glabrous.
2, growth environment: heterophyllous snake grapes grow in the valley forest or hillside scrub shade, 50-2200 meters above sea level. Heterophyllous snake grapes grow in the valley forest or hillside scrub at an altitude of 200-1500 meters. Prefer warm and humid environment.