The term 'Plant with Heart-Shaped Leaves' can be described by two crossword solutions: CALLA (5 letters) and Woodsorrel (10 letters). CALLA is a genus of flowering plants in the family Araceae, native to southern Africa. It is known for its large white flowers and heart-shaped leaves. Woodsorrel is a genus of flowering plants in the family Oxalidaceae, native to temperate regions of the Northern Hemisphere. It is known for its small yellow flowers and heart-shaped leaves.