Canada Moonseed, Menispermum canadense
Menispermaceae or Moonseed Family

Plant A woody vine, climbing by twining around other plants, fences, etc. Leaves about a half foot to a foot wide, with large, shallow lobes, somewhat resembling a maple leaf. Leafstalks attach a little inward from leaf edge. Flowers small, greenish, in loose clusters on long stalks. Male and female flowers on separate plants (male shown). Fruits are grape-sized, black, but poisonous. Blooms in late spring.

A native vine with charming leaves. Likes rich woods. Uncommon in the Park, on woodland edges.

Grapes and wild cucumbers may have somewhat maple-like leaves, but they all climb with tendrils that wrap around things. Grapes also have teeth on their leaves.

Male flowers