Durand white oak Fagaceae Quercus
sinuata Walter symbol: QUSI
Leaf: Very irregular; alternate, simple, obovate to nearly lanceolate in shape, 3 inches long; 0 to 7 rounded or toothed shallow irregular lobes that reach 1/4 to 1/2 way to the midrib; apex is rounded, base variable; green to gray-green above and paler below with small stellate hairs; petioles 1/4 inch long.
Flower: Species is monoecious; male flowers are yellow-green, borne in naked, slender catkins, 2 to 4 inches long; female flowers are reddish green and appear as very small single spikes; appearing with the leaves in mid-spring.
Fruit: Ovoid to oblong acorn, cap is warty and bowl-shaped, covers less than 1/4 of the fruit; matures in one growing season in the early fall.
Twig: Gray, hairless; multiple terminal buds are red-brown, ovoid, hairless conical, slightly pubescent.
Bark: Whitish or ashy gray, scaly to shaggy.
Form: A small to medium-size tree to 60 feet with an irregular crown, often with multiple trunks; may form thickets.
Looks like: sand post oak - post oak - overcup oak - white oak
Additional Range Information: Quercus sinuata is native to North America. Range may be expanded by planting. See the full-size PDF map.
External Links: USDA Plants Database
All material © 2018 Virginia Tech Dept. of Forest Resources and Environmental Conservation; Photos and text by: John Seiler, Edward Jensen, Alex Niemiera, and John Peterson; Silvics reprinted from Ag Handbook 654; range map source information