Convolvulus purshianus Wherry. Shale Bindweed. Hab: Shale barrens and woodlands, less typically on limestone. Dist: C. PA south through w. VA and e. WV to NC.
Origin/Endemic status: Endemic
Synonymy ⓘ: = G; = Calystegia spithamaea (L.) Pursh ssp. purshiana (Wherry) Brummitt – FNA14, K1; = Convolvulus spithamaeus L. var. pubescens (Gray) Fernald – F; < Calystegia spithamaea (L.) Pursh – C, Pa, RAB, W; < Calystegia spithamaea (L.) Pursh ssp. stans (Michx.) Brummitt – K4, Va
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