Connate-perfoliate: With the bases of opposite leaves fused around the stem.*
Cup plant (Silphium perfoliatum), and boneset, (Eupatorium perfoliatum), are both native plants in this area which have connate-perfoliate leaves.
*Harris, J.G., Harris, M.W. (2001). Plant identification terminology: An illustrated glossary (2nd ed.). Spring Lake: Spring Lake Publishing.
