ashy hydrangea
Hydrangea cinerea Small

Hydrangea cinerea, the ashy hydrangea, is a deciduous shrub native to the southeastern United States. It can grow up to 3 m (9.8 ft) tall and is characterized by the ashy or gray appearance of the undersides of its leaves due to a dense pubescence.
Description
Hydrangea cinerea belongs to the Hydrangeaceae family and is found in several states across the southeastern U.S., including Alabama, Arkansas, Georgia, Illinois, Indiana, Kansas, Kentucky, Massachusetts, Missouri, North Carolina, Oklahoma, South Carolina, and Tennessee. The shrub is distinguished by the ashy or gray coloration on the underside of its leaves, which is caused by a dense covering of fine hairs. First described in 1898 by Small, it is a medium-sized, deciduous plant that is part of the Hydrangea genus.
Other common names
ashy hydrangea
Distribution
Alabama · Arkansas · Georgia · Illinois · Indiana · Kansas · Kentucky · Massachusetts · Missouri · North Carolina · Oklahoma · South Carolina · Tennessee
Synonyms
Hydrangea arborescens subsp. discolorHydrangea arborescens var. deamiiHydrangea asheiHydrangea cinerea f. sterilisHydrangea arborescens var. discolorHydrangea cinerea var. sterilisHydrangea cinerea var. sterilis