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De Candolle system

The De Candolle system is a system of plant taxonomy by French (Swiss) botanist Augustin Pyramus de Candolle (1778−1841).

It was originally published by de Candolle in the Théorie élémentaire de la botanique, ou exposition des principes de la classification naturelle et de l’art de décrire et d’etudier les végétaux (1813).

[1]

It was further developed and published in editions of the very extensive but unfinished (Prodromus) (1824–1873), dealing only with dicotyledons.[2]

Prodromus Systematis Naturalis Regni Vegetabilis

The first taxonomic system by de Candolle, who introduced the term taxonomy, appeared in his description of the plants of France, his Flore française (1805–1815), in 5 volumes dealing with plant species found in France.


The De Candolle system is a subsequent taxonomic system.


The abbreviation Syst. in de Candolle's work and subsequent literature refers to his Regni vegetabilis systema naturale.

classis I. DICOTYLEDONEÆ seu Exogenae [Part 1 p. 1]

subclassis 1. [Part I]
subclassis 2. CALYCIFLORÆ [Parts II - VII]
subclassis 3. COROLLIFLORÆ [Parts VIII - XIII(1)]
subclassis 4. MONOCHLAMYDEÆ [Parts XIII(2) - XVI]

THALAMIFLORÆ

classis II. MONOCOTYLEDONEÆ