Article 13 of the International Code of Nomenclature for algae, fungi, and plants states that "Generic names that appear in Linnaeus' Species Plantarum ed.
It is dedicated to Herman Boerhaave, a Leiden physician who introduced Linnaeus to George Clifford and the medico-botanical Dutch establishment of the day.
Genera Plantarum employed his “sexual system” of classification, in which plants are grouped according to the number of stamens and pistils in the flower.
From 1735 to 1738 Linnaeus worked in the Netherlands where he was personal physician to George Clifford (1685–1760), a wealthy Anglo-Dutch merchant–banker with an impressive garden containing four large glasshouses that were filled with warmth-loving plants from overseas.
Linnaeus was enthralled by these collections and prepared a detailed systematic catalogue of the plants in the garden, which he published in 1738 as Hortus Cliffortianus.
Linnaeus included Ehret's Tabella (an illustration of his "Sexual System" of plant classification) in his Genera Plantarum but without credit to the artist.
[5] He dealt with the theory of generic names in the Critica Botanica which was a prelude to his main practical work on the subject, the Genera Plantarum.
The typesetting of Genera Plantarum started in 1736[7] leading to the publication of the first edition in early 1737; the book was dedicated to Herman Boerhaave, the great Leiden physician to whom Linnaeus owed his introduction into the medico-botanical Dutch establishment of the day.
[1] William Stearn states: "The clear typographical layout, the elimination of verbs such as est, occupant and abit, and the much greater detail given for all floral parts ... immediately catch the attention.
"[10] Frans Stafleu regards Genera Plantarum as Linnaeus's most important book with respect to the practical introduction of his ideas – even more than Systema Naturae.
"His reform was daring and thorough, based on an exceptional and practical knowledge of plants; although influenced by somewhat outmoded ideas, it had exactly the salutary effect which he wanted it to have: consistency and simplicity.