Bigleaf periwinkle: Periwinkle is a name that is used particularly for the plants in the Vinca genus. In order to distinguish the plants of this genus, they are named according to the different characteristics of each plant. Like most Vinca plants, the flowers of this plant grow distortedly with five petals, which resemble a windmill. Furthermore, its most unique feature is its leaves. Compared with other Vinca plants, the leaves are bigger and can grow to 2-9 centimeters. Also, the plant species added the specific epithet, major which refers to the meaning of bigger, so it is called bigleaf periwinkle.