Morning Glory Leaf Shape . A great climber, the blue morning glory is the winner of several international. I'm pretty sure this is morning glory, but i'm curious that the leaves come in two different shapes: morningglory, Ipomoea spp. (Solanales Convolvulaceae) 5309074 from www.forestryimages.org The japanese morning glory can be considered an invasive weed in some areas. Leaf shape is one of the most variable plant traits. It has been collected in massachusetts.