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SYSTEMATICS OF CLEMENSIELLA (APOCYNACEAE – ASCLEPIADOIDEAE)

Published online by Cambridge University Press:  01 November 2009

U. Meve ,
O. Laurente ,
G. J. Alejandro  and
T. Livshultz
U. Meve
Affiliation:
Department of Plant Systematics, University of Bayreuth, 95440 Bayreuth, Germany. E-mail: ulrich.meve@uni-bayreuth.de
O. Laurente
Affiliation:
Faculty of Pharmacy, University of Santo Tomas, España, Manila 1008, Philippines.
G. J. Alejandro
Affiliation:
College of Science and Research Center for the Natural Sciences, University of Santo Tomas, España, Manila 1008, Philippines.
T. Livshultz
Affiliation:
Academy of Natural Sciences, 1900 Benjamin Franklin Parkway, Philadelphia, PA 19103, USA. E-mail: livshultz@ansp.org
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Abstract

The genus Clemensiella (Apocynaceae – Asclepiadoideae) is reported to include two species. Clemensiella mariae, a Philippine endemic, is redescribed, illustrated, and lectotypified. Its chromosome number (2n = 22) is reported for the first time. The recently described Hoya viracensis is synonymised with Clemensiella mariae. Clemensiella omlori is described as a new species from Borneo and Sumatra. The taxonomic relationship of Clemensiella to other genera of tribe Marsdenieae is discussed.

Keywords

Borneochromosome numberClemensiellaHoya viracensislectotypificationMarsdenieaePhilippinesSumatrataxonomy
Type
Articles
Information
Edinburgh Journal of Botany , Volume 66 , Issue 3 , November 2009 , pp. 447 - 457
Copyright
Copyright © Trustees of the Royal Botanic Garden Edinburgh 2009

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