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Articles
Published: 2018-12-27

A new species of Frullania (Marchantiophyta: Frullaniaceae) from the Andes of Peru, and a range extension for F. holostipula to Bolivia

Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110, U.S.A.
Departamento de Briología y Pteridología, Museo de Historia Natural, Universidad Nacional Mayor de San Marcos, Av. Arenales 1256, Lima 11, Peru
Muséum National d’Histoire Naturelle-Sorbonne Universités, Institut de Systématique, Évolution, Biodiversity (ISYEB), C.P. 39, 57 rue Cuvier, 75231 Paris cedex 05, France
liverworts morphology Neotropics sect. Cladocarpicae subg. Chonanthelia subsect. Holostipulae subsect. Quadriplicatae taxonomy

Abstract

Frullania heinrichsii (subg. Chonanthelia sect. Cladocarpicae) is newly described from Peru. The new species is characterized by its robust size, undulate leaf margins, undivided underleaves with strongly auriculate bases, autoicous sexuality and 4-keeled perianths. The species has morphological affinities with F. holostipula, F. obscura and F. rio-janeirensis, blurring the subsectional classification boundaries between these species. As a result, subsect. Holostipulae and subsect. Quadriplicatae are proposed as synonyms of sect. Cladocarpicae. Frullania holostipula, hitherto only known from Venezuela, is newly reported from Bolivia. An updated key is provided to the thirteen species recognized in sect. Cladocarpicae.