The leaves of Valley oak are green, sinuate, up to 10 cm (3.9 in) long and up to 6 cm (2.4 in) broad. The leaf margin is smooth.
The flowers form yellow drooping catkins. Flowering and leafing sprout together.
Acorns, up to 6 cm (2.4 in ) long. The acorns are pointed ovate.
The Branches are gray. The buds are ovoid and yellowish or light brown.