A New Species of Pandanaceae from Northern Madagascar, Pandanus ankaranensis

Martin W. Callmander; Michel O. Laivao; Richard Randrianaivo

doi:10.3417/2009105

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Martin W. Callmanderhttps://orcid.org/0000-0003-3641-112X,¹ Michel O. Laivao,² Richard Randrianaivo³

¹Missouri Botanical Garden, P.O. Box 299, St. Louis, Missouri 63166-0299, U.S.A., and Conservatoire et Jardin botaniques de la Ville de Genève, ch. de l'Impératrice 1, Case Postale 60, 1292 Chambésy, Switzerland martin.callmander@mobot.org
²Université de Neuchâtel, Laboratoire de Botanique évolutive, Rue Emile-Argand 11, Case Postale 158, 2009 Neuchâtel, Switzerland. Current address: Ministère de l'Environnement et des Forêts, BP 571 Ampandrianomby, Antananarivo 101, Madagascar
³Missouri Botanical Garden, BP 3391, Antananarivo 101, Madagascar

Abstract

A new species, Pandanus ankaranensis Callm. & Laivao (Pandanaceae), is described from the karst region of Ankarana in northern Madagascar. It resembles P. grallatus B. C. Stone, another member of Pandanus sect. Mammillares H. St. John occurring in the area. The new taxon can be distinguished by its larger and wider leaves that are persistent on the branches, the stipe often lying on the rocks where plants grow, and its larger syncarps. Pandanus ankaranensis is classified as Vulnerable based on IUCN Red List criteria.

Citation Download Citation

Martin W. Callmander, Michel O. Laivao, and Richard Randrianaivo "A New Species of Pandanaceae from Northern Madagascar, Pandanus ankaranensis," Novon: A Journal for Botanical Nomenclature 20(3), 243-247, (13 September 2010). https://doi.org/10.3417/2009105

Published: 13 September 2010

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