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Orchid evolution and phylogeny

Many possible sources for orchids have been suggested, however, the Hypoxidaceae family (or plants similar to them), which are already extinct, seem more likely to be their parents. Despite being the most diverse family of angiosperms on land, orchids do not have an adequate fossil record, as many aspects of their evolutionary history remain [...]

Orchid economic importance

Traditionally, various peoples have used orchids for ornamental and medicinal purposes. The Chinese were the first to grow them, from about 500 BC. Later, in the fifth century, the Greeks used orchids as medicinal plants.

In America, the Aztecs used them as medicinal plants, spices, food and ornaments.

One of these was the popular Vanilla [...]