| Author | (Siebold & Zuccarini) Planchon | |
| Distribution | The only record of escaped plants is in Alleghany County, collected by D. Poindexter in 2010. Formerly planted on buildings of some campuses, but not escaping.
Native of eastern Asia; in N.A. northeastern states and Ont. south to SC. | |
| Abundance | Very rare. | |
| Habitat | In Alleghany County, vines had escaped to trees of a wooded lot. This is the ivy of the Ivy League -- although in the past 40 years much of it has been removed from buildings to prevent further weakening of brick mortar. | |
| Phenology | Flowering June-August; fruiting September-October. | |
| Identification | Boston Ivy is a climbing vine with 3-lobed leaves (sometimes fully divided into leaflets), rather resembling Red Maple (Acer rubrum) leaves if not divided into 3 leaflets. The berries are dark blue or black, 5-8 mm wide. From all our grapes it can be told by its white stem pith (vs. brown). | |
| Taxonomic Comments | | |
| Other Common Name(s) | | |
| State Rank | SE | |
| Global Rank | GNR | |
| State Status | | |
| US Status | | |
| USACE-agcp | | |
| USACE-emp | | |
