Aconitum uncinatum Linnaeus. Eastern Blue Monkshood, Appalachian Blue Monkshood. Phen: Aug-Oct. Hab: Seepages, saturated swamps, cove forests, other moist forests. Dist: C. MD and sw. PA south to e. VA, e. NC, wc. GA, and c. TN; disjunct in sc. MO (Yatskievych 2013).

Origin/Endemic status: Native

Taxonomy Comments: Two varieties or subspecies are sometimes recognized, but the character differences seem ambiguous, poorly correlated with one another, and geographically incoherent. A third eastern blue-flowered entity has been variously treated as an additional subspecies or variety of A. uncinatum, as a separate species, A. noveboracense A. Gray, or as disjunct populations of the otherwise more western A. columbianum Nuttall.

Synonymy: = FNA3, Il, NE, Pa, RAB, S, Tn, Va, W; > Aconitum uncinatum L. ssp. muticum (DC.) Hardin – K1, K3, K4, Hardin (1964b); > Aconitum uncinatum L. ssp. uncinatum – K1, K3, K4, Hardin (1964b); > Aconitum uncinatum L. var. acutidens Fernald – F; > Aconitum uncinatum L. var. muticum DC. – C; > Aconitum uncinatum L. var. uncinatum – C, F

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