Plate from 18th century encyclopedia showing the Linnean system of flowers. Linneaus's classes and orders of plants, according to his Systema Sexuale,

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Plate from 18th century encyclopedia showing the Linnean system of flowers. Linneaus's classes and orders of plants, according to his Systema Sexuale, were never intended to represent natural groups (as opposed to his ordines naturales in his Philosophia Botanica) but only for use in identification. They were used for that purpose well into the nineteenth century.

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Size: 4607px × 7023px
Photo credit: © DAVID PARKER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: biological, biology, classes, encyclopedia, linneaus, order, plants, sexuale, systema