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TAXONOMY OF THE BEGONIA TILIIFOLIA GROUP, INCLUDING DESCRIPTIONS OF TWO NEW SPECIES

Published online by Cambridge University Press:  09 March 2017

M. C. Tebbitt ,
M. Hughes ,
Á. J. Pérez  and
P. W. Moonlight
M. C. Tebbitt
Affiliation:
Department of Biological and Environmental Sciences, California University of Pennsylvania, California, PA 15419-1394, USA.
M. Hughes
Affiliation:
Royal Botanic Garden Edinburgh, 20A Inverleith Row, Edinburgh EH3 5LR, Scotland, UK.
Á. J. Pérez
Affiliation:
Herbario QCA, Escuela de Ciencias Biológicas, Pontificia Universidad Católica del Ecuador, Apartado 17-01-2184, Quito, Ecuador.
P. W. Moonlight*
Affiliation:
Royal Botanic Garden Edinburgh, 20A Inverleith Row, Edinburgh EH3 5LR, Scotland, UK. Institute of Biodiversity, Animal Health and Comparative Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, UK.
*
*Author for correspondence. E-mail: p.moonlight@rbge.ac.uk
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Abstract

Begonia albomaculata as circumscribed in the Flora of Ecuador and related publications is shown to be a misapplied name and represents an undescribed species. This is described as Begonia botryoides Moonlight & Tebbitt sp. nov., and is recorded from the Pichincha, Santo Domingo de los Tsáchilas, Napo, Cotopaxi, Azuay and El Oro provinces in Ecuador, and the Antioquia and Chocó departments of Colombia. The taxonomic study of this species prompted a re-evaluation of related species. It was subsequently found that the Central American material previously included in Begonia tiliifolia C.DC. is distinct from the type and other South American material of this species and represents an undescribed species. This is described as Begonia boreoharlingii Tebbitt & Moonlight sp. nov., and is recorded from the Limón province in Costa Rica, and the Bocas del Toro and Coclé provinces in Panama. Four species, Begonia tiliifolia C.DC., Begonia harlingii L.B.Sm. & Wassh., B. botryoides and B. boreoharlingii, are placed in the informally named Begonia tiliifolia group. A key, descriptions, illustrations and distribution maps are provided for the members of the Begonia tiliifolia group, and its sectional classification is discussed.

Keywords

Begonia harlingiiBegonia sect. BegoniaBegonia sect. RuizopavoniaBegonia tiliifoliaBegonia albomaculataColombiaCosta RicaEcuadorPanama
Type
Articles
Information
Edinburgh Journal of Botany , Volume 74 , Issue 2 , July 2017 , pp. 199 - 215
Copyright
Copyright © Trustees of the Royal Botanic Garden Edinburgh (2017) 

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