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Type: Article
Published: 2021-06-10
Page range: 211–258
Abstract views: 36
PDF downloaded: 1

A taxonomic synopsis and morphological characterization of Myoxanthus (Orchidaceae: Pleurothallidinae)

Jardín Botánico Lankester, Universidad de Costa Rica, Cartago, Apartado 302-7050, Costa Rica
Jardín Botánico Lankester, Universidad de Costa Rica. Centro de Investigación en Biodiversidad y Ecología Tropical, Universidad de Costa Rica. Escuela de Biología, Universidad de Costa Rica
Jardín Botánico Lankester, Universidad de Costa Rica. Naturalis Biodiversity Center, Leiden.
morphological characterization Pleurothallids Satyria Scandentia Silenia Monocots

Abstract

The taxonomic history, general description and distribution are provided for Myoxanthus. Morphological characterization of the vegetative and reproductive organs is illustrated with photographs. A list of the 52 accepted species includes synonyms and distribution; most are illustrated with a flower photograph. Lectotypes for M. frutex, M. lonchophyllus, M. neillii, M. pulvinatus, M. punctatus, and M. serripetalus are designated, and a neotype is selected for M. melittanthus. Myoxanthus parvilabius is reported for the first time for Colombia. The circumscription of M. lonchophyllus is reevaluated, Pleurothallis pennellia is recognized as a distinct taxon and transferred to Myoxanthus, and Myoxanthus panamense, a new species related to M. scandens, is described from Pamana.