A new species and a new record of Malaxis (Malaxidinae) from Costa Rica
artículo científico
Date
2022-04-25Author
Chinchilla Alvarado, Isler Fabián
Karremans Lok, Adam Philip
Blanco Coto, Mario Alberto
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We describe and illustrate a new species and a new record of Malaxis from the lower montane and montane forests of Costa Rica. Taxonomic descriptions, illustrations, distribution maps, and conservation assessments are provided for each species. Malaxis excentrica sp. nov. is morphologically similar to Malaxis simillima, from which it can be distinguished by having a single leaf per sympodial unit, shorter, obovate, erect petals parallel to the column, the lip with triquetrous, acute, convex apical margin and the disc cavity divided by a costa. Malaxis pittieri is formally recorded for the flora of Costa Rica; Costa Rican specimens of this species were previously confused with Malaxis majanthemifolia. A lectotype for Microstylis pittieri is formally designated. Describimos e ilustramos una nueva especie y un nuevo registro de Malaxis de los bosques montano bajo y montano de Costa Rica. Se proporcionan descripciones taxonómicas, ilustraciones, mapas de distribución y evaluaciones de conservación para cada especie. Malaxis excentrica sp. nov. se asemeja morfológicamente a Malaxis simillima, de la cual se puede distinguir por tener una hoja por unidad simpodial, los pétalos más cortos, obovados, erectos, paralelos a la columna, el labelo con el margen apical triquetro, agudo, convexo y la cavidad del disco dividida por una costa. Malaxis pittieri se documenta formalmente para la flora de Costa Rica; anteriormente, los ejemplares costarricenses de esta especie se confundían con Malaxis majanthemifolia. Se designa formalmente un lectotipo para Microstylis pittieri.
External link to the item
10.15517/lank.v22i1.50848Collections
- Biología [1493]
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