File:Syst-sex.jpg

• Description: Graphic illustration of Linnaeus's so-called "sexual system", drawn by Georg Dionysius Ehret in 1736. The title sais "Linnaeus's sexual method of plants, described in [the book] Systema naturae." The capital letters correspond to Linnaeus's 24 classes of plants:
  • A: Monandria, B: Diandria, C: Triandria, D: Tetrandria
  • E: Pentandria, F: Hexandria, G: Heptandria, H: Octandria
  • I: Enneandria, K: Decandria, L: Dodecandria, M: Icosandria
  • N: Polyandria, O: Didynamia, P: Tetradynamia, Q: Monadelphia
  • R: Diadelphia, S: Polyadelphia, T: Syngenesia, U: Gynandria
  • V: Monoecia, X: Dioecia, Y: Polygamia, Z: Cryptogamia
• Source: The original drawing is preserved at the Natural History Museum (London). The image is scanned from page 106 of Linnaeus: the compleat naturalist (Wilfrid Blunt 2001, Princeton University Press).
• Licence: Public domain because the originator died in 1770.

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