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Pseudocopulatory pollination in Lepanthes (Orchidaceae: Pleurothallidinae) by fungus gnats
Background and Aims: Lepanthes is one of the largest angiosperm genera (>800 species). Their non-rewarding, tiny and colourful flowers are structurally complex. Their pollination mechanism has hitherto remained unknown, ...
A taxonomic revision of Monstera Adans. (Araceae: Monsteroideae) in Costa Rica
Monstera Adans. (Araceae: Monstereae) is revised for Costa Rica. Thirty-five species are recognised, of which one (M. deliciosa) is introduced. Of them, ten have been only very recently described and Monstera tablasensis ...
Two new endemic species of Monstera (Araceae: Monsteroideae: Monstereae) from Golfito in southern Costa Rica
Monstera croatii M.Cedeño & A.Hay and M. gambensis M.Cedeño & M.A.Blanco (Araceae: Monsteroideae: Monstereae) are newly described and illustrated from cantón Golfito in the Pacific lowlands of southern Costa Rica. Notes ...
Duckweeds (Araceae: Lemnoideae) growing on wet, vertical rocks behind a waterfall in Costa Rica, with a new country record of Wolffiella oblonga (Phil.) Hegelm.
Lentilles d’eau (Araceae: Lemnoideae) poussant sur des rochers verticaux et humides derrière une cascade au Costa Rica, avec un nouvel enregistrement pour le pays de Wolffiella oblonga (Phil.) Hegelm.
A large colony of duckweeds (Araceae: Lemnoideae) grows on the constantly wet, vertical wall of the rock shelter behind the Llanos de Cortés waterfall of the Potrero River, Guanacaste province, Costa Rica, the first such ...
Mormodes salazarii (Orchidaceae, Catasetinae), a new species with greenish-white flowers from Costa Rica
Mormodes salazarii (Orchidaceae, Catasetinae), a new species apparently endemic to Costa Rica, is described and illustrated. It is similar to M. fractiflexa because of its non-resupinate flowers, entire lip and revolute ...
First report of naturalization of Houttuynia cordata Thunb. 1783 (Piperales: Saururaceae) in South America
A relatively large and established population of Houttuynia cordata from Itatiaia National Park in Brazil represents the first record of naturalized Saururaceae in South America. Although the species is potentially invasive, ...
Notes on the distribution of Brasenia schreberi (Cabombaceae) in the Neotropics, with a new country record for Costa Rica
Notas sobre la distribución de Brasenia schreberi (Cabombaceae) en el Neotrópico, con un nuevo registro para Costa Rica
We studied herbarium specimens of Brasenia schreberi from the Neotropics in order to describe the distribution pattern of the species across the region. Also, we report the first records of B. schreberi for Costa Rica. We ...
Gelatinous fibers and variant secondary growth related to stem undulation and contraction in a monkey ladder vine, Bauhinia glabra (Fabaceae)
Premise of the study: Some of the most striking stem shapes occur in species of Bauhinia (Fabaceae) known as monkey ladder vines. Their mature stems are flattened and develop regular undulations. Although stems have variant ...
New records of Araceae for Costa Rica and Panama
Four species are documented for the first time for the Costa Rican flora: Anthurium curvispadix, Anthurium palosecense, Monstera integrifolia, Monstera spruceana. Two species are first documented for the Panamanian flora: ...
Molecular phylogenetics of Maxillaria and related genera (Orchidaceae: Cymbidieae) based on combined molecular data sets
The orchid genus Maxillaria is one of the largest and most common of neotropical orchid genera, but its current generic boundaries and relationships have long been regarded as artificial. Phylogenetic relationships within ...