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Articles
Published: 2017-07-24

A new species of Cyclolejeunea (Marchantiophyta: Lejeuneaceae) from the Chocó, Colombia

Muséum National d’Histoire Naturelle, Departement Systématique et Evolution, C.P. 39, 57 rue Cuvier, 75231 Paris cedex 05, France
Department of Systematics, Biodiversity and Evolution of Plants (with Herbarium), Albrecht–von–Haller-Institute for Plant Sciences, Georg–August–Universität Göttingen, Untere Karspüle 2, 37073 Göttingen, Germany
Chocó region Cyclolejeunea glimeana liverworts morphology lowland rainforest Neotropics Prionolejeunea taxonomy thalloid gemmae

Abstract

Cyclolejeunea is a small neotropical genus of six species and a common epiphyllous hepatic in lowland and montane rainforests. We describe the new species Cyclolejeunea glimeana M.E.Reiner & Gradst. from wet lowland rainforest along the Pacific coast of Colombia (Chocó). The new species is characterized by the absence of innovations, entire leaf margins, leaf lobules without any indication of a tooth, and ligulate, thalloid gemmae without rhizoids. The combination of morphological characters seen in C. glimeana sets this species well apart from the remaining members of the genus and warrants its placement in a separate subgenus, C. subg. Chocolejeunea M.E.Reiner & Gradst. subg. nov. Ecologically, the new species stands out by its preference for palm trunks. The new species is a further addition to the unusually rich flora of the Chocó region.

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