- Plant Resins and Waxes
Information and photographs. http://waynesword.palomar.edu/ecoph22.htm (Added: Sun Jul 15 2001)
- Rubber and Chichle
Ever wonder why the gum called Chiclets got its name? http://waynesword.palomar.edu/ecoph13.htm (Added: Sun Jul 15 2001)
- The Rubber Tree (Hevea brasiliensis)
Information on the tree that gives us rubber. Interestingly, latex bearing plants are found in some 20 botanical families. http://www.siu.edu/~ebl/leaflets/rubber.htm (Added: Sun Jul 15 2001)
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