Vinca major (bigleaf periwinkle) February 28, 2015 216 × 216 Vinca major (bigleaf periwinkle) Vinca major (bigleaf periwinkle) A vinca major plant in the Euclid Road bamboo grove Vinca major, with the common names bigleaf periwinkle, large periwinkle, greater periwinkle and blue periwinkle Wikipedia: Vinca major