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Molecular phylogenetics of Maxillaria and related genera (Orchidaceae: Cymbidieae) based on combined molecular data sets
(2007-11)
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 ...
Two new cauliflorous species of Aristolochia subseries Anthocaulicae (Aristolochiaceae) from southern Central America
(2022)
Two new cauliflorous species of Aristolochia subseries Anthocaulicae from southern Central America are described and illustrated. Aristolochia guanacastensis from northwestern Costa Rica resembles A. ruiziana, from which ...
A reexamination of Monstera oreophila Madison (Araceae: Monsteroideae) and description of two new pinkish-spathed species of Monstera from Costa Rica and Panama
(2021)
Monstera gentryi from Panama and M. mittermeieri from Costa Rica are newly described, illustrated and compared with M. oreophila. The differences between the novelties and similar species are presented and an amended ...
Gelatinous fibers and variant secondary growth related to stem undulation and contraction in a monkey ladder vine, Bauhinia glabra (Fabaceae)
(2014)
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 ...
Two new endemic species of Monstera (Araceae: Monsteroideae: Monstereae) from Golfito in southern Costa Rica
(2020)
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.
(2019)
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 ...
Revisión taxonómica del género Monstera (Araceae) en Costa Rica
(2019)
Monstera es el género de la familia Araceae menos comprendido a nivel taxonómico en Mesoamérica. Los caracteres morfológicos presentes en el material de herbario tienen limitaciones para la delimitación satisfactoria de ...
Flowers, sex and lies - The scandalous pollination of Lepanthes
(2005)
El texto hace referencia a las orquídeas, para este caso toma en cuenta la especie de Lepanthes, se centra en tres aspectos importantes: la reproducción, las mentiras y la polinización de esta planta.
Revisión taxonómica del género Rubus L. (Rosaceae) en Costa Rica y Panamá
(2018)
En el primer capítulo se realiza una revisión taxonómica del género Rubus en Costa Rica y Panamá, para lograr una identificación más precisa, determinar el número de especies, reconocer las especies nativas e introducidas, ...
Three new species and a new record of Monstera Adans. sect. Marcgraviopsis Madison (Araceae: Monsteroideae: Monstereae) from the Caribbean watershed in Costa Rica and Panama
(2023-10-10)
Three new species from Monstera sect. Marcgraviopsis, M. caribaea M.Cedeño, O.Ortiz & A.Hay, M. lamersiana M.Cedeño & A.Hay and M. panamensis M.Cedeño & O.Ortiz, are described, and new record of M. guzmanjacobiae Díaz Jim. ...