Now showing items 1-4 of 4

    • A Note on Masdevallia zahlbruckneri and M. utriculata (Orchidaceae) 

      Oses Salas, Lizbeth Melissa; Karremans Lok, Adam Philip (2016-12-31)
      Masdevallia utriculata and M. zahlbruckeri are characterized and illustrated based on living plants from Costa Rica. The species are compared with each other on the basis of their general similar morphology. Their taxonomic ...
    • Epidendra Nova Talamancana 

      Díaz Morales, Melissa; Karremans Lok, Adam Philip (2016-09-02)
      Two new species of Epidendrum from the Costa Rican montane rainforest, E. hartmanniorum and E. vallis-silentii, are described, illustrated and compared with similar species. Epidendrum stolidium and E. unicallosum are ...
    • Pleurothallis hawkingii and Pleurothallis vide-vallis (Orchidaceae; Epidendroideae), two new species from Cordillera de Guanacaste in Costa Rica 

      Karremans Lok, Adam Philip; Jiménez Vargas, José Esteban (2018)
      Two new species of Pleurothallis are described from the Cordillera de Guanacaste in northern Costa rica. both novelties belong to Pleurothallis sect. Macrophyllae-Fasciculatae, among which they can be recognised by their ...
    • Pollinaria: up close and personal 

      Fernández Campos, Melania; Karremans Lok, Adam Philip; Pupulin, Franco (2011-06)
      Pollinaria are complex structure, in many cases composed of different elements that originate from different parts of the reproductive organs of the plant.