Kathy, Although I can't find a direct reference to it, most members of the Milkweed Family have a milky sap. The only exception I know of is Butterfly Weed. In...

Thnaks for comments about the Harpers Ferry plant. I did see online mention of the milky sap present in the C. laeve. The leaves are not a simple heart shape...

Kathy, I haven't checked my list of native and naturalized vines yet but in addition to the Milkweed Family species I mentioned in the earlier e-mail, there...

Dear Joe, I know that you're the local expert on these plants, but wouldn't you agree that vegetatively this plant looks just like Cynanchum laeve rather than ...

Ed, From the picture, the leaves appear to be smooth, which would make Cynanchum laeve more likely than Matelea obliqua. In addition, the leaves appear lighter...

Kathy, In case someone else hasn't mentioned this, it could be one of the 2 exotic Cynanchums. Check out fact sheets at: Black Swallow-wort...

Dear Joe, Well, the Mateleas appear to have hairy stems. Also, leaves are opposite in these and Cynanchum, alternate in the morning glories and in pipevine....

I'll still go with Cynanchum laeve. The two exotic swallowworts don't fit vegetatively. Look at the eared basal lobes. -- Ed ...

Yep. I agree. I sent the message without having looked at the attached picture closely. The exotic cynanchums do not have the lobed leaf bases like those shown...