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Issue: Vol. 309 No. 3: 16 June 2017
Type: Article
Published: 2017-06-16
DOI: 10.11646/phytotaxa.309.3.3
Page range: 229–237
Abstract views: 22
PDF downloaded: 1

Sageretia liuzhouensis (Rhamnaceae), a new species from Guangxi, China

Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China. University of Chinese Academy of Sciences, Beijing 100049, China.
Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China.
Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China. University of Chinese Academy of Sciences, Beijing 100049, China.
Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China.
limestone hills new taxon molecular evidence morphology Sageretia Eudicots

Abstract

Sageretia liuzhouensis, a new species discovered in Guangxi Zhuang Autonomous Region, China, is described and illustrated. This species was found growing in sparse forests or thickets on the top of towering limestone hills with sunny, dry habitats. It is very similar to S. camelliifolia in morphology but differs with pubescent inflorescence rachises and charcoal-gray branches, as well as smaller leaves and shorter petioles. The delimitation of this new species is also supported by phylogenetic analyses based on five DNA loci (ITS, ETS, trnL-trnF, psbA-trnH and petA-psbJ). S. camelliifolia is within a clade separated from the new species and S. thea is more closely related to S. subcaudata and S. rugosa than the new species.