Noun | 1. | Periploca - genus of woody vines of warm regions of the Old World dicot genus, magnoliopsid genus - genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination Asclepiadaceae, family Asclepiadaceae, milkweed family - widely distributed family of herbs and shrubs of the order Gentianales; most with milky juice Periploca graeca, silk vine - deciduous climber for arches and fences having ill-scented but interesting flowers and poisonous yellow fruits; cultivated for its dark shining foliage; southeastern Europe to Asia Minor |