An extended phylogeny of Pseuduvaria (Annonaceae) with descriptions of three new species and a reassessment of the generic status of Oreomitra

Three new species of <I>Pseuduvaria</I> (Annonaceae) from Peninsular Thailand and Peninsular Malaysia are described and named as <B><I>P. fragrans</I></B>, <B><I>P. gardneri</I></B>, and <B><I>P. glossopetala</I></B>. A recent molecular phylogenetic study, based on 51 species (including <I>P. fragrans</I>), elucidated the evolutionary relationships within the genus. The present study includes <I>P. gardneri</I> and <I>P. glossopetala</I> in the phylogenetic analyses using maximum likelihood and Bayesian inference methods, based on five chloroplast regions (<I>psbA-trnH</I> spacer, <I>trnL-F</I>, <I>matK</I>, <I>rbcL</I>, and <I>atpB-rbcL</I> spacer). The new nomenclatural combination <B><I>Pseuduvaria phuyensis</I></B> is also validated in accordance with the phylogenetic analyses which show that <I>Craibella phuyensis</I> and <I>Pseuduvaria</I> form a well-supported monophyletic clade. The new species and new nomenclature combination bring the total number of species in <I>Pseuduvaria</I> to 56. The taxonomic status of the enigmatic monotypic genus <I>Oreomitra</I> from New Guinea is furthermore evaluated, and the name shown to be synonymous with <I>Pseuduvaria</I>.