Two new species and a new species record of Aglaia (Meliaceae) from Indonesia

PhytoKeys. 2020 Aug 7:155:33-51. doi: 10.3897/phytokeys.155.53833. eCollection 2020.

Abstract

Two new species of Aglaia from Indonesia are described, Aglaia monocaula restricted to West Papua, and Aglaia nyaruensis occurring on Borneo (Kalimantan, Brunei, Sabah and Sarawak). A phylogenetic analysis using nuclear ITS and ETS, and plastid rps15-ycf1 sequence data indicates that the two new species of Aglaia are also genetically distinct. Aglaia monocaula belongs to sectionAmoora, while A. nyaruensis is included in section Aglaia. A dichotomous key, drawings and three-locus DNA barcodes are provided as aids for the identification of the two new species of Aglaia. In addition, the geographic range of Aglaia mackiana (section Amoora) is expanded from a single previously known site in Papua New Guinea to West Papua, Indonesia.

Keywords: Aglaia; Meliaceae; Indonesia; conservation status; phylogeny; taxonomy.