help needed with ID

madabouteu(8A - central Alabama)September 9, 2010

I have been searching for hours, literally, for an ID for a vine that is growing on the fence at the local Co-op Extension office - teh Horticultural agent is stumped! The vne is perennial, with a base resembling a grapevine - indeed, the whole vine's appearance is reminiscent of a grapevine except for the leaves. The leaves are deltoid, simple, serrate, unlobed, slightly acuminate. Tendrils are few, and short, but soon thicken to the diameter of a shoelace, staying green. Leaves do not seem to follow a pattern; some are in pairs, some are not. I do not remember seeing bloooms, so they must not be very prominent. I believe the vine is deciduous. It currently has abundant fruit; these are berries the size of a large English pea and are a medium reddish purple at first, later becomng a very dark reddish purple. The pulp is very white and opaque. The odor of the fruit and of the crushed leaves is not remarkable. The clusters of fruit - I do not have the correct term, but the arrangement is similar to that of Ampelopsis, which it definitely is not!

Thanks in advance for any leads. Tomorrow I hope to take a photo and post it.

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Impossible to say without photos, but it kind of sounds like Frostgrape, Vitis vulpina. Are the leaves smooth or are they "hairy"?
I see it growing here in partly sunny or lightly shaded situations on the edges of woodlands but I have also seen it in full sun around utility poles in very poor clayey soil.

    Bookmark   September 10, 2010 at 8:40PM
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