Molecular confirmation and taxonomy of the Rubiaceous Mycetia apoensis (Elmer) Govaerts

VOLUME 64 : 2016

VOLUME 64 : 2016

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Molecular confirmation and taxonomy of the Rubiaceous Mycetia apoensis (Elmer) Govaerts

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John Christopher C. Villanueva, Remigio S. Callanta Jr., Jasmin Aei F. Neptuno, Maryneil A. Verin, Porferio S. Bangcaya, Vincent Louie D. Cabelin, & Grecebio Jonathan D. Alejandro

ARTICLE DOI: https://doi.org/10.53603/actamanil.64.2016.hviz7762

Graphical Abstract

Abstract

The little known endemic Philippine Rubiaceae Adenosacme apoensis Elmer was transferred to the genus Mycetia Reinw. based on herbarium specimens. Also, Mycetia apoensis was once thought as conspecific with M. cauliflora. To date, M. apoensis lacks comprehensive vegetative and reproductive descriptions to fully understand the species and be able to delineate from other members of Mycetia. To verify the generic affiliation of the species with more certitude, two chloroplast markers (rps16 intron and trnL-F region) were sequenced from the recent collections at Mt. Apo, Davao. Bayesian analysis of the combined plastid (rps16 and trnL-F) dataset strongly supported (PP = 1.0) the inclusion of M. apoensis in the genus Mycetia and resolved M. cauliflora as its sister-taxa. A comprehensive description and botanical illustrations of M. apoensis as well as its conservation status based on IUCN criteria are here provided. 

Keywords: Adenosacme, Mycetia, cpDNA, rps16, trnL-F, Philippine endemic, conservation


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