The leaves of Red oak are deeply sinuate to lobed. The lobe ends are tapered. The leaf can be 22 cm (8.7 in) long. The leaf margin is smooth.
The flowers form greenish - yellow drooping catkins. Flowering and leafing sprout together.
The acorns hang on short stems in shallow fruit cups.
The twigs are red-brown with light lenticels. The buds are reddish, slightly ovate, taper to a point and occur most frequently on branch end.
single tree, planting in groups, parks and garden