Hydrangea cinerea Small. Ashy Hydrangea, Southern Wild Hydrangea. Phen: May-Jul (-Aug). Hab: Rocky forests and rock outcrops, roadbanks, perhaps strictly or mostly associated with mafic or calcareous rocks. Dist: Sw. NC, c. IN, c. IL, and c. MO south to n. SC, sc. AL, and c. AR.
Origin/Endemic status: Native
Syn: = FNA12, Il, K1, K3, NE, S, Tn, W, Pilatowski (1982); = Hydrangea arborescens ssp. discolor – Mo3, RAB, McClintock (1957); = Hydrangea arborescens var. deamii – F; = Hydrangea arborescens var. discolor – C, G; < Hydrangea arborescens – GrPl
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