About Fenway Park
Deeply toothed 8" leaves are chartreuse in sun and yellow-green in more shade. Red, orange, and yellow foliage in fall. Discovered growing on an apartment building near Fenway Park by a scientist working at the Arnold Arboretum.
About Ivy, Boston
Originally from Japan, not Boston. Pointed, three-lobed leaves. Berries favored by birds. This dense, clinging vine put the ivy in Ivy League. Climbs by adhesive pads.