Moonseed is the common name of menispermum canadense. The flowers are greenish white and grow in loose clusters. The fruit is bluish black and resembles small grapes.
L. H. Bailey Standard Cyclopedia of Horticulture (New York, New York: The MacMillan Company, 1917) volume 4, page 2034
2092×2400, 1.1 MiB
892×1024, 110.5 KiB
557×640, 58.3 KiB
278×320, 20.4 KiB