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A consensus classification for the order Gentianales with additional details on the suborder Apocynineae

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An Erratum to this article was published on 01 January 1995

Abstract

The Gentianales as circumscribed by Benson, Cronquist, Dahlgren, Goldberg, Hey wood et al., Melchior, Stebbins, Takhtajan, and Thorne is investigated. From these a consensus classification (not in the cladistic sense) or classificatory model for the order is proposed. This classification is discussed, as are the relationships of the taxa within it. Excluded taxa are also discussed. In particular, the Apocynineae is examined in detail and it is pointed out that for this suborder the present consensus classification, at the family level, is congruous only if the taxa involved are monophyletic. Data are then supplied to show that, as yet, neither monophyly nor paraphyly can be proved conclusively for the taxa of the Apocynineae.

Résumé

Cet article examine l’ordre des Gentianales tel qu’il se décrit chez Benson, Cronquist, Dahlgren, Goldberg, Hey wood et al., Melchior, Stebbins, Takhtajan et Thorne. A partir de ceci un schéma classificatoire est proposé pour l’ordre. Cette classification convenue est discutée, ainsi que les relations des taxa y figurant. Les taxa exclus sont également discutés. L’ordre des Apocynineae subit un examen particulier et il est avancé que pour ce sous-ordre la classification convenue actuelle, au niveau de la famille, n’est convenable que lorsque les taxa en question relévent d’un seul phylum. Finalement les données sont appliquées pour démontrer qu’il n’existe jusqu’ à présent aucune preuve définitive quant à la monophylie ou la paraphylie des taxa de l’ordre des Apocynineae.

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An erratum to this article is available at http://dx.doi.org/10.1007/BF02897153.

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Nicholas, A., Baijnath, H. A consensus classification for the order Gentianales with additional details on the suborder Apocynineae. Bot. Rev 60, 440–482 (1994). https://doi.org/10.1007/BF02857927

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