<i>Resinanthus</i> , género nuevo de Rubiaceae (Guettardeae)
2007
Borhidi, A.
Molecular studies carried out by Achille <i>et al.</i> (2006), revealed the polyphyly within the big genus <i>Guettarda</i> and in its relationships, among others the polyphyletic character of the genus <i>Stenostomum</i> C. F. Gaertn. studied earlier by Borhidi and Fernandez (1995 <i>a</i> , <i>b</i>) based on morphological characters. This fact stimulated a re-examination of the traditional <i>Stenostomum</i> genus, which concluded in the separation of the section <i>Resinanthus</i> Borhidi at generic level and its new generic circumscription. The genus is divided into two sections. Sectio <i>Resinanthus</i> contains 15 species of the West Indies, mainly of Cuba and Hispaniola, and the sectio <i>Macresinanthus</i> sect. nov. has one Mexican species.
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