Clematis addisonii Britton. Subgenus: Viorna. Addison's Leatherflower. Phen: Apr-Jun; May-Jul. Hab: Dry to mesic calcareous barrens, woodlands, and forests, over dolostone (Elbrook Formation). Dist: Endemic to w. VA (Botetourt, Montgomery, Roanoke, and Rockbridge counties).
Origin/Endemic status: Endemic
Synonymy: = C, F, FNA3, G, K1, K3, K4, Va, W, Estes (2006); = Coriflora addisonii (Britton) W.A.Weber – Weber (1995); = Viorna addisonii (Britton) Small – S
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