Vanilla fragrans

This species is the only orchid grown for purposes other than ornamental. It originated in Mexico and the vanilla is extracted by fermenting the unripe pods and infusing them in alcohol. The main producer is now the Malagasy Republic (Madagascar). The crop is propagated vegetatively and few clones are known to exist. There may be scope for selection by amateur breeders in the centre of origin. Variable ranking

See: Differential interaction. Variation

Differences displayed by individuals within a species . Variety

In a botanical context, this term means a subdivision of a species . An agricultural or horticultural variety is called a cultivar. Vascular

Vascular tissue is plant tissue which transports water or nutrients. Vascular plants are those that contain vascular tissue, and are the ferns and seed-bearing plants (Angiosperms and Gymnosperms).

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