The entireleaf morning glory (Ipomoea hederacea var. integriuscula) belongs to Convolvulaceae (the Morning glory family). It is an anuual herb that is native to Central America to South America. Today, it is widely naturalized from tropical to temperate regions. It grows in wastelands, bushes, roads, etc., and the length of the vines is 1-2 m. The stems are covered with short reverse bristles. Leaves are heart-shaped, with fine hair growing on both sides. The funnel shaped, purple to pale blue, white, about 3 cm in diameter flowers bloom in the axilary racemes from June to October.