Castanea dentata (Marshall) Borkh.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Tree to 30 m; lvs oblong-lanceolate, acuminate, coarsely and sharply serrate with ascending or incurved teeth, glabrous or nearly so, short-petioled; staminate catkins to 20 cm; mature involucres 5–6 mm thick, with very numerous spines 1 cm or more, the nuts 1.5–2 cm, usually 2 or 3 together, flattened on one or two sides; 2n=24. Original range from s. Me. to se. Mich., s. to Del., Ky., and s. Ill., and along the mts. to Ala., usually in acid upland soils; now nearly exterminated by blight.