Acer macrophyllum, Pursh. Large-leaved Maple. Tree, to 100 feet high: lvs. cordate, deeply 3-5-lobed or cleft, pubescent when young, pale green beneath, 8-12 in. across; middle lobe mostly 3-lobed: panicles glabrous, narrow, pendulous, 4-5 in. long: fr. with yellow, bristly hairs, wings spreading at right angles or nearly upright, over 1 in. long. W. N. Amer. S.S. 2:86,87. F.E. 14, pl. 44 (habit). Gn.M. 2:107 (habit). —Handsome round-headed tree, remarkable for its large foliage; not hardy in the N.