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This page will explain more thoroughly some of the concepts used in the original article.
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The orchid family (aka Orchidaceae) is the largest flowering plant family on earth with about 30,000 species. It is also one of the oldest plant families β developing about 84 million years ago. Being so old, orchids have had plenty of time to develop into very specialized organisms. It is specifically the orchid flower, rather than the foliage, that has developed in this specialized way. While orchids look very exotic, they are in their essence very primitive plants.
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The International Union for Conservation of Nature (IUCN) is the global authority on the status of the natural world and the measures needed to safeguard it.
It divides species into seven categories:
- Least Concern
- Near Threatened
- Vulnerable
- Endangered
- Critically Endangered
- Extinct in the Wild
- Extinct
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Also called air plant, any plant that grows upon another plant or object merely for physical support. Epiphytes have no attachment to the ground or other obvious nutrient source and are not parasitic on the supporting plants.
