They play an important part in masking structures which are unsightly, and raise the flower level far higher than is normally achieved by shrubs, and many trees.  Also they add an architectural dimension to the garden, and none more so than the aroids. Aroids are the large-leaved residents of the rain forest.  Large leaved because they don’t waste any light at all.  Most of you know the Swiss Cheese plants such as Monstera deliciosa, …..