Dictionary
rub'ber plant"
1. a plant,
Ficus elastica, of the mulberry family, having oblong, shining, leathery leaves, growing native as a tall tree in India, the Malay Archipelago, etc., used as a source of rubber and cultivated in Europe and America as an ornamental house plant.
2. any plant yielding caoutchouc or India rubber.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.