Eating the remaining grape stems belongs to wet garbage, and the remaining branches are called vines or grapevines.
Grape (scientific name: VitisviniferaL. ) is a woody vine of Vitaceae, with cylindrical branchlets, longitudinal edges, hairless or sparsely pilose leaves, dense or scattered panicles, well-branched base, spherical or oval fruit, flowering in April-May and fruiting in August-September.