Abstract

A new species, Popowia bachmaensis Ngoc, Tagane & Yahara, sp. nov. is described from Bach Ma National Park in Thua Thien Hue Province, Central Vietnam. This species is morphologically similar to Popowia pisocarpa (Blume) Endl. ex Walp., but can be readily distinguished from it by its lower stems, smaller leaves, shorter flowering pedicels, shorter carpels, longer sepals and inner petals. A detailed description, comprising illustrations, and supplemented with DNA barcodes of the two regions of rbcL and matK, are provided.

Highlights

  • Popowia Endlicher is a small genus of the family Annonaceae

  • The second Vietnamese species of Popowia is reported, which was found in Bach Ma National Park, Phu Loc District, Thua Thien Hue Province

  • During our botanical inventory of Bach Ma National Park in 2015, a new species of genus Popowia was discovered, P. bachmaensis Ngoc, Tagane & Yahara, sp. nov. It is described, illustrated and the DNA barcodes are provided of the two plastid regions rbcL and matK (CBOL Plant Working Group 2009) of the new species

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Summary

Introduction

Popowia Endlicher is a small genus of the family Annonaceae. It was firstly described in the Genera Plantarum secundum Ordines Naturales for the type species, Popowia pisocarpa (Blume) Endl. ex Walp (Endlicher 1839). The genus Popowia has been classified within tribe Mitrephoreae Hook. The species of Popowia and Polyalthia s. In a recent taxonomic revision of Annonaceae in Vietnam, Bân (2000) reported three species with one variety of Popowia: P. cambodica Finet & Gagnep., P. cambodica var.

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