Trees , deciduous, to 20 m. Bark light brown or gray, scaly. Twigs brown or reddish brown, 2-3 mm diam., with sparse spreading hairs or glabrate. Buds reddish brown, ovoid, apex rounded or acute, glabrous or minutely puberulent. Leaves: petiole 5-20 mm. Leaf blade broadly obovate or broadly elliptic, (60-)100-280 × 50-180 mm, base rounded-acuminate or broadly cuneate, margins regularly toothed, teeth rounded, dentate, or acuminate, secondary veins 15-20 on each side, parallel, straight or somewhat curved, apex broadly rounded or acuminate; surfaces abaxially light green or yellowish, felty to touch because of conspicuous or minute, erect, 1-4-rayed hairs, adaxially glabrous or with minute simple or fascicled hairs. Acorns 1-3, subsessile or more often on axillary peduncle to 20-30 mm; cup hemispheric, broadly hemispheric or even short-cylindric, 15-25 mm deep × 25-40 mm wide, enclosing 1/2 nut or more, scales very loosely appressed, distinct to base, gray or light brown, moderately to heavily tuberculate, tips silky-tomentose; nut light brown, ovoid or cylindric, 25-35 × 20-25 mm, glabrous. Cotyledons distinct.
"Tree to 30 m, with light gray bark like no. 1 [Quercus alba L.]; petioles to 3 cm, persistently pubescent beneath, glabrescent above; blades obovate, 7–11 cm wide, with 10–15 pairs of ovate or triangular, rather uniform, acute to rounded, usually ascending teeth, pubescent beneath with erect, few-branched hairs; acorns 2.5–3.5 cm, the cup covering half the ovoid or conic-ovoid nut, 2–3 cm wide, its large scales free and when dry often spreading. Low or wet soil, especially alluvial flood-plains; coastal plain from N.J. to Fla. and Tex., n. in the interior to Mo. and s. Ind., and at scattered stations in Ky. and Tenn. (Q. prinus, misapplied)"
|Basket oak, cow oak, swamp chestnut oak|