Magnoliaceae

1. Leaves 4-lobed, truncate or even indented at apex; buds glabrous

Liriodendron

1.  Leaves entire, acute to acuminate; buds finely silvery-hairy.

Magnolia

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. May 25, 2017. http://michiganflora.net/family.aspx?id=Magnoliaceae.