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A new species and a new record of Malaxis (Malaxidinae) from Costa Rica
(2022-04-25)
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 ...
Trick or treat? Pollinator attraction in Vanilla pompona (Orchidaceae)
(2021-11)
Natural pollination of Vanilla species remains poorly understood. Our research aimed at better understanding the pollinator attraction mechanism of the Neotropical species Vanilla pompona. Based on our results, we hypothesize ...
Anathallis transtalamancana Karremans & Chinchilla, sp. nov.
(2020-08-18)
The new species is similar to A. endresii (Luer) Pridgeon & M.W.Chase, but can be distinguished by the 1-2-flowered raceme (vs. 3-4-flowered), the yellowish (vs. purple), glabrous, 4.6-4.8 mm long sepals (vs. ciliate, ...
First evidence for multimodal animal seed dispersal in orchids
(2022)
Identifying the mechanisms for seed dispersal and persistence of species is a central aim of ecology. Seed dispersal by animals is an essential form of dissemination in many plant communities, including seeds of over 66% ...
A reappraisal of Neotropical Vanilla. With a note on taxonomic inflation and the importance of alpha taxonomy in biological studies
(2020-12-23)
Despite the long-standing cultural importance and botanical interest in Vanilla, many taxa belonging to the genus remain poorly understood. Vanilla species generally have broad geographical and ecological distributions. ...
Nomenclatural notes in the Pleurothallidinae (Orchidaceae): miscellaneous
(2019-06-25)
Nomenclatural amendments and notes are provided for taxa belonging to diverse genera within subtribe Pleurothallidinae (Orchidaceae) in order to comply with the International Code for algae, fungi, and plants. The proposed ...
Studies on Costa Rican Vanilloideae: The return of Cleistes rosea and a reaffirmation of Epistephium ellipticum
(2023-12-29)
Subfamily Vanilloideae represents a small fraction of the orchid flora of Costa Rica, and yet our knowledge of this predominantly South American group has significantly increased in the last two decades. Until recently, ...
Malaxis dressleriana: A new orchid species honoring a botanist for all seasons
(2023-08)
The genus Malaxis Sol. ex Sw. comprises about 300 species, predominantly found in pantropical regions with a few in temperate areas of the Americas, Asia, and Europe. Mexico has the highest concentration, with 71 species, ...
Epidendrum scandens: an unusual new orchid species endemic to the Cordillera de Talamanca in Costa Rica
(2023)
We describe and illustrate a new species of Epidendrum from the montane forests on the Cordillera de Talamanca, in Costa Rica. Epidendrum scandens is unusually among the ‘Rugosum subgroup’ of ‘Ramosum group’ in the plants ...