Michigan Trees: A Handbook of the Native and Most Important Introduced Species
dd. Leaf-lobes usually 3 (at apex of the leaf only); buds
rusty-hairy; bark of trunk divided into nearly square plates; inner bark not yellow; cup-scales of acorn rusty-tomentose; nut subglobose; shrubby tree, rare in Michigan. _Q. marilandica_, p. 119.
cc. Lower surface of leaves glabrous or nearly so.