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What is this 5-foot tall vine in Kentucky? It volunteered in our back yard.

What is this 5-foot tall vine in Kentucky? It volunteered in our back yard.

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  • $\begingroup$ The species with the dark triangular leaves is also a vine - I reckon you are aiming at the plant with the lighter rounded leaves in the middle of the image? If yes, it's a bummer the leaves in close-up are out of focus. $\endgroup$ – AliceD May 9 '18 at 18:26
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    $\begingroup$ @AliceD the dark triangular one is hedera helix. $\endgroup$ – RHA May 9 '18 at 18:31
  • $\begingroup$ Or are you aiming for the heart-shaped one on the top left? Perhaps you could provide a close-up image of a leaf and add an arrow in the existing figure to point out the species in question? $\endgroup$ – AliceD May 9 '18 at 18:46
  • $\begingroup$ @AliceD: I'm sure they mean the plant most featured in the photo (having palmate leaf veining or patterning). The leaves towards the bottom of the image are largely in focus. $\endgroup$ – mgkrebbs May 9 '18 at 22:48
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    $\begingroup$ @David en.wikipedia.org/wiki/Volunteer_(botany) - I admit myself I have never heard it as a verb in this context (though the wiki page does make reference to the verb form), but rather as an adjective or noun. $\endgroup$ – Bryan Krause May 10 '18 at 20:04
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I believe it is in the genus Dioscorea which is a wild yam. There are several species native to the Eastern US. A common species is Dioscorea villosa but you will have to look up details and compare to your specimen.

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