Molecular recircumscription of Broussonetia (Moraceae) and the identity and taxonomic status of B. kaempferi var. australis

Botanical Studies
Kuo-Fang ChungWei-Bin Xu

Abstract

Despite being a relatively small genus, the taxonomy of the paper mulberry genus Broussonetia remains problematic. Much of the controversy is related to the identity and taxonomic status of Broussonetia kaempferi var. australis, a name treated as a synonym in the floras of Taiwan and yet accepted in the floras of China. At the generic level, the monophyly of Corner (Gard Bull Singap 19:187-252, 1962)'s concept of Broussonetia has not been tested. In recent studies of Broussonetia of Japan, lectotypes of the genus were designated and three species (B. kaempferi, Broussonetia monoica, and Broussonetia papyrifera) and a hybrid (B. ×kazinoki) were recognized. Based on the revision and molecular phylogenetic analyses, this article aims to clarify these issues. Herbarium studies, field work, and molecular phylogenetic analyses indicate that all Taiwanese materials identifiable to B. kaempferi var. australis are conspecific with B. monoica of Japan and China. Molecular phylogenetic analyses showed that Broussonetia sensu Corner (Gard Bull Singap 19:187-252, 1962) contains two clades corresponding to sect. Broussonetia and sect. Allaeanthus, with Malaisia scandens sister to sect. Broussonetia. Based on our analyses, B. kaempferi var. a...Continue Reading

References

Aug 23, 2005·Molecular Phylogenetics and Evolution·Nyree J C ZeregaGeorge D Weiblen
Feb 24, 2012·Systematic Biology·Fredrik RonquistJohn P Huelsenbeck
Aug 1, 2012·Nature Methods·Diego DarribaDavid Posada
May 3, 2014·Systematic Biology·Adam L BazinetMichael P Cummings
Oct 7, 2015·Proceedings of the National Academy of Sciences of the United States of America·Chi-Shan ChangKuo-Fang Chung
Aug 17, 2016·PloS One·Johany PeñaililloDaniela Seelenfreund

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Methods Mentioned

BETA
PCR

Software Mentioned

MrBayes
PAUP
jModeltest
GARLIC

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