phil·o·den·dron / ˌfiləˈdendrən/ • n. (pl. philodendrons or philodendra / -drə/ ) a tropical American climbing plant (genus Philodendron) of the arum family that is widely grown as a greenhouse or indoor plant.

Philodendron (family Araceae) A genus of herbs, mainly climbing, in which the leaf nervation is pinnate and reticulate, the blade sometimes being divided. Many are ornamentals. There are 500 species, occurring in tropical America.

philodendron Genus of evergreen plants native to tropical America. Philodendrons have shiny, heart-shaped leaves that are sometimes split. They are popular houseplants. Height: 10cm–1.8m (4in–6ft). Family Araceae.