- twinberry, Lonicera involucrata - shrubby honeysuckle with purple flowers; western North America
--1 is a kind of honeysuckle
--1 is a member of Lonicera, genus Lonicera - partridgeberry, boxberry, twinberry, Mitchella repens - creeping woody plant of eastern North America with shiny evergreen leaves and scarlet berries
--2 is a kind of vine
--2 is a member of Mitchella, genus Mitchella