Hevea spruceana is a species of rubber tree in the genus Hevea, belonging to the family Euphorbiaceae. It is native to the rainforests of northern Brazil and Guyana. It is named in honour of the English botanist Richard Spruce who spent the years 1849 to 1864 exploring the Amazon basin and sending botanical specimens back to Europe.
H. spruceana is a medium-sized, evergreen tree that sometimes develops a markedly swollen trunk, seemingly a response to periodical flooding. The leaves have three elliptical ...