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Cynanchum (Apocynaceae: Asclepiadoideae): A pantropical Asclepiadoid genus revisited

Khanum, Rizwana and Surveswaran, Siddharthan and Meve, Ulrich and Liede-Schumann, Sigrid (2016) Cynanchum (Apocynaceae: Asclepiadoideae): A pantropical Asclepiadoid genus revisited. In: TAXON, 65 (3). pp. 467-486.

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Official URL: http://dx.doi.org /10.12705/653.3

Abstract

Cynanchum constitutes one of the very few Asclepiadoid genera that are distributed both in the Old and the New World. The present study of more than 100 species, based on Bayesian and maximum likelihood analysis of five chloroplast and four nuclear markers, resolves nine clades. No unambiguous morphological characters are associated with any particular Glade or a combination of several clades, so that a wide concept of Cynanchum seems the most appropriate taxonomic solution for the group. For this reason, several hitherto independent genera, Glossonema, Graphistemma, Holostemma, Metalepis, Metaplexis, Odontanthera, Pentarrhinum, Raphistemma and Seshagiria are included in Cynanchum. In addition, Adelostemma and Sichuania are subsumed under Cynanchum for morphological reasons. The necessary new combinations are made, resulting in twelve new species combinations, two new subspecies combinations, and two new names.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the INT ASSOC PLANT TAXONOMY-IAPT, C/O INST BOTANY, SLOVAK ACAD SCIENCES DUBRAVSKA CESTA 9, SK-845 23 BRATISLAVA, SLOVAKIA
Keywords: cpDNA; Cynanchinae; fruit morphology; Mahawoa; nuclear markers; phylogenetic analysis
Department/Centre: Division of Biological Sciences > Centre for Ecological Sciences
Depositing User: Id for Latest eprints
Date Deposited: 24 Aug 2016 10:16
Last Modified: 24 Aug 2016 10:16
URI: http://eprints.iisc.ac.in/id/eprint/54411

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