Carya carolinae-septentrionalis (Ashe) Engl. & Graebn.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Much like no. 7 [Carya ovata (Mill.) K. Koch]; twigs very slender, with a small black bud, terminal lfl lanceolate or oblanceolate, a fifth to a fourth as wide as long, little different from the adjacent ones; fr and nut only two-thirds as large as in no. 7; 2n=32. Upland, often calcareous woods; s. Va. to Tenn. and Ga. Perhaps better treated as C. ovata var. australis (Ashe) Little.