common twayblade Directory References Discover 7 of History's Most Notorious Serial Killers 12 Greek Gods and Goddesses Ten Days That Vanished: The Switch to the Gregorian Calendar How Do Deserts Form? Periods of American Literature 26 Decade-Defining Events in U.S. History Why Does the New Year Start on January 1? common twayblade plant Ask the Chatbot a Question Also known as: Listera ovata, Neottia ovata Learn about this topic in these articles:description In twaybladeThe common twayblade (N. ovata), found throughout Eurasia, has small green flowers and broad egg-shaped leaves. The lesser twayblade (N. cordata), also widespread in Eurasia, has heart-shaped leaves.Read More