BioConcepts

sexual systemsystema sexualis (lat.); Sexualsystem (ger.)

• The Linnaean classification of plants, in which plants are grouped according to the number of stamens and pistils in each flower. (OED 2011)
  category systematics

  1735

  Clavis Systematis Sexualis

  Linnaeus, C. (1735). Systema naturae: [5].

  1738

  systema sexualis

  Linnaeus, C. (1738). Classes plantarum: 441-2; 485-6.

  1754

  According to the sexual system, where trees are confounded with herbs, a methodical Syntax or Construction of Plants in a garden is impossible.

  Alson, C. (1754). A Dissertation on Botany: 69.