Plant biodiversity is essential to Man’s survival. He uses plants for food, medicine and clothing.
The second greenhouse presents a few species chosen from those grown most heavily in the tropical regions for their many uses, such as:
- medicinal plants: Madagascan periwinkle, Florida palm, camphor tree;
- plants used in cosmetics: Aloe vera;
- plants used as a colorant: lipstick tree;
- plants used for food: papaya tree, cocoa bush, banana tree, manioc, rice;
- plants from which spices are produced: turmeric, pepper tree, all-spice, cinnamon tree, galanga;
- plants used in industry: hevea (whose latex produces rubber), soapbark tree (from which saponin is extracted to make soap);
- fibrous plants: ramie, cotton plant, sisal;
- plants for ritual use in Amazonia: ayahuasca.