Not Native to the Finger Lakes Region, Europe and Asia; Naturalized in Eastern N. Amer.
Flower buds contain salicylic acid, a precurser to the synthesized form, acetylsalicylic acid, commonly known as aspirin.
Source of plant
Botanischer Garten Rhododendron Park
Perennial reaching 6' in height; leaves mostly 1' to 8' long, including the long petiole, with 2 to 5 pairs of main leaflets, each 1" to 3" long, ovate, sharply doubly serrate, usually white-tomentose beneath, theterminal leaflet longer, 3-lobed; flowers cream-white, petals 1/8" long.
USDA Hardiness Zone