United States, Pennsylvania, Huntingdon, 1/2 mile N of Cold Springs Road on PA 26, "Alphabet Arboretum"
small bank on W side of home, intertwined with Euonymous and Vinca ground cover vines near Juniperus shrubs. cultivated area surrounded by native oak-hickory forest
soil: clay with organic litter
procumbent vine, 2 to 3 centimeters high, rooting at nodes; yellow corolla; pale green fruits enclosed by sepals in "3-cornered hat" arrangement