The hevea brasiliensis is commonly named rubber tree. It belongs to the family Euphorbiaceae. It has a big economical importance because of the latex extracted from the bark. It is the primary source of natural rubber. Latex harvests occurs each 5 or 6 years. The tree needs tropical climate, in fact it is diffused in South America and South-east Asia. You can see images of a plantation in Thailand.
photo -> nature -> trees -> rubber tree