Quercus palustris Münchh.

NE United States; 0-350 m; introduced in Europe in 1800;

15-20 m tall (may reach 40 m); crown conical, with lower branches drooping, upper branches ascending;

7.5-13 x 5-10 cm; apex obtuse or acuminate; base cuneate;2-3 pairs of pointed lobes and deep U-shaped sinuses reaching three-quarters the distance to the midvein; lobes at middle leaf are wider, at right angle with the midrib; shiny green above, paler beneath with light brown tufts of hairs at axils of veins; petiole slender, glabrous, 3-5 cm long;

spring;

acorn 1.2 cm long, 1.5 cm wide, rounded, often striate; one or several together, on short peduncle; cup shallow with appressed scales, covering the base of the small nut;

–A.Camus : 421 – Sub-genus Quercus, section Lobatae ; – Resembles Q.coccinea , but it is easy to distinguish it from other red oaks = in the middle of the tree, the branches are at a right angle with the trunk, while the branches of the upper part of the tree are directed upwards, and the branches of the lower part are inclined towards the ground; – Several hybrids, among them x exacta with Q.imbricaria , and x schochiana with Q.phellos ;