| Author | (Thunberg) Rafinesque | |
| Distribution | Known so far from Davidson, Forsyth, and Mecklenburg counties, all discovered in 2006-2007. Reported from Franklin County in 2008. Likely in others as well.
Native of eastern and southeastern Asia; in N.A. from NC to AL and TX. | |
| Abundance | Rare, but probably spreading. | |
| Habitat | Bank of creek, overgrowing a backyard woodpile, nuisance in yard. | |
| Phenology | Flowering May-June; fruiting August-September. | |
| Identification | This is a climbing or scrambling vine. Unlike our other members of the grape family, the leaves are divided into 5 distinct leaflets. Each leaflet has a short stalk and is elliptical in outline, looking somewhat like a blackberry (Rubus) leaf. Small pale yellowish or greenish flowers occur in branched, open, flat-topped inflorescences. The berries are 8-12 mm across, dark blue to black. | |
| Taxonomic Comments | Also known as Cayratia japonica.
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| Other Common Name(s) | | |
| State Rank | SE | |
| Global Rank | GNR | |
| State Status | | |
| US Status | | |
| USACE-agcp | | |
| USACE-emp | | |
