ARPHA Preprints, doi: 10.3897/arphapreprints.e69345
Cyphostemma calcarium (Vitaceae), a new species from Ankarana Special Reserve, Madagascar
expand article infoLimin Lu, Romer Narindra Rabarijaona§, Valisoa Louisicaël Rafaralahy|, Charles Rakotovao, Rindra Manasoa Ranaivoson§, Bing Liu#, Chen Zhi-Duan¤, Jun Wen«
‡ Chinese Academy of Sciences, Beijing, China§ State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences; University of Chinese Academy of Sciences, Beijing, China| Department of Plant Biology and Ecology, Faculty of Sciences, University of Antananarivo, Antananarivo, Madagascar¶ Missouri Botanical Garden, Madagascar Research and Conservation Program, BP 3391, Antananarivo, Madagascar# State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences; Sino-Africa Joint Research Center, Chinese Academy of Sciences, Wuhan, Beijing, China¤ State Key Laboratory of Systematic and Evolutionary Botany Institute of Botany, Chinese Academy of Sciences, Beijing, China« Department of Botany, National Museum of Natural History, MRC166, Smithsonian Institution, Washington, United States of America
Open Access
Abstract

Cyphostemma calcarium is herein described as a new species on the limestone outcrops in northern Madagascar. Its diagnostic morphological characteristics were compared to the species occurring in Ankarana Special Reserve. We present detailed descriptions, illustrations, distribution map, and a preliminary conservation assessment of the species. An identification key to all known species from Ankarana Special Reserve is also provided.

Keywords
Ankarana, Cyphostemma, Cyphostemma calcarium, Madagascar, Vitaceae.