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      Porroglossum Raoi , a New Species of Pleurothallidinae (Orchidaceae) From Ecuador

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          Abstract

          AbstractA new species of Porroglossum (Pleurothallidinae), Porroglossumraoi Baquero & Iturralde, apparently endemic to a cloud forest close to Chical, is described here. Porroglossumraoi is compared to known species within the genus growing close to the area where it was discovered. The big white flower, the thick, subclavate and brown-purple lateral sepal tails, a single subacute angle on the lower margin of the petals and a strong cinnamon and clove smell, immediately separates this from other species in Porroglossum. Taxonomical and ecological notes are given.

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          Genera Pleurothallidinarum: An updated phylogenetic overview of pleurothallidinae

          Abstract:Subtribe Pleurothallidinae with just over 5000 species is possibly the most species-rich of all orchids. It has been growing steadily for more than two centuries, but the last three decades have been especially active in terms of systematic and phylogenetic studies in the group. The growth in species numbers has been accompanied by the marked increase in generic and infrageneric concepts. Nevertheless, Pleurothallidinae are plagued with cases of convergent and divergent morphology, and phylogenetic relatedness is not always apparent. This opens the door to controversial changes in generic circumscriptions that are considered too inclusive by some and too exclusive by others. A grave consequence of these disagreements is the difficulty of assessing which and how many species actually belong to each genus. Here an attempt is made to place generic names among their close relatives as a first step to re-evaluating the whole subtribe.
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            Miscellaneous New Species in the Pleurothallidinae (Orchidaceae) Excluding Species from Brazil

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              Miscellaneous new species in the Pleurothallidinae (Orchidaceae).

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                lankesteriana
                Lankesteriana
                Lankesteriana
                Lankester Botanical Garden, University of Costa Rica (Cartago, Cartago, Costa Rica, Costa Rica )
                1409-3871
                April 2017
                : 17
                : 1
                : 49-54
                Affiliations
                [2] Quito orgnameJardín Botánico de Quito Ecuador
                [3] Quito orgnameInstituto Nacional de Biodiversidad, Ecuador
                [1] Quito orgnameUniversidad de Las Américas orgdiv1. Facultad de Ingeniería y Ciencias Agropecuarias Ecuador
                Article
                S1409-38712017000100049
                10.15517/lank.v17i1.28269
                a7d47eef-b225-470d-bd65-9e6317bc1e86

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 International License.

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                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 21, Pages: 6
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                SciELO Costa Rica


                Pleurothallidinae,Porroglossum hoijerii,Porroglossum section Porroglossum

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