PLEASE EMAIL US HIGH-RESOLUTION PHOTOS OF THE LEAVES, BARK, BUDS, AND ANY FRUIT AS THERE ARE HUNDREDS OF ORNAMENTAL PLANTS, SHRUBS, AND SMALL TREES WITH PINK & GREEN VARIEGATED LEAVES.
Moreover, this question is more suited for the horticulture staff here on campus:
http://web.extension.illinois.edu/askextension/index.cfm?AskSiteID=34