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Masdevallia Ruiz & Pav. [with the new species Masdevallia bellissima]
(2022-02)
Costa Rican species of Masdevallia are presented and discussed. A new species, Masdevallia bellissima, is described and illustrated.
Aristolochia gorgona (Aristolochiaceae), a new species with giant flowers from Costa Rica and Panama
(2002-05)
Aristolochia gorgona is described from the Atlantic watershed of Costa Rica and central and eastern Panama. It is similar to A. grandiflora Sw., with which it has been confused in the past. The extensive reported synonymy ...
Electric-field control of single-molecule tautomerization
(2020)
The electric field is an important parameter to vary in a single-molecule experiment, because it can directly affect the charge distribution around the molecule. Yet, performing such an experiment with a well-defined ...
Leaf and flower essential oil compositions of Gliricidia sepium (Fabaceae) from Costa Rica
(2015-04)
Gliricidia is a small genus of flowering plants in the Fabaceae family. Gliricidia sepium is a multipurpose tree native to Mesoamerica and possibly northern South America. The chemical composition of the hydrodistilled ...
Ant–Aphid Relations in Costa Rica, Central America (Hymenoptera: Formicidae; Hemiptera: Aphididae)
(2012)
We present the first catalogue of ant-aphid associations (Hymenoptera: Formicidae / Hemiptera: Aphididae) of Costa Rica. 29 species of ants and 18 species of aphids establish 48 relationships. Those interactions seem not ...
What’s the date?
(2022)
Rafaël Govaerts, Adam P Karremans and
Julian Shaw go to lengths to establish the
effective publication dates of some orchid
names in the journal Revista Guatemalensis
The New Refugium Botanicum. Angraecum sesquipedale
(2019)
Angraecum sesquipedaleThouars, Histoire
Particulière des Plantes Orchidées
(Hist. Orchid.), pl. 66 & 67. 1822. TYPE:
Madagascar, without specific locality,
1798, L. M. A.-A. du Petit-Thouars s.n.;
lectotype, designated ...
High Performance Graphene–Oxide–Metal Diode through Bias‐Induced Barrier Height Modulation
(2016)
Graphene–oxide–metal diodes are presented whose performance is preserved even for thin oxide layers, as required for high frequency applications. The diodes, which rely upon bias-induced modulation of graphene's work ...
The New Refugium Botanicum. Rhynchostylis gigantea
(2021)
Rhynchostylis gigantea (Lindl.) Ridl., J.
Linn. Soc., Bot. 32:356. 1896. Saccolabium
giganteum Lindl., Gen. Sp. Orchid.
Pl. 221. 1833. Gastrochilus giganteus
(Lindl.) Kuntze, Revis. Gen. Pl. 2:661.
1891. Anota gigantea ...
First description of the larva of Psaironeura, based on specimens of P. anegloi from Costa Rica (Odonata: Coenagrionidae: Protoneurinae), with a key to the genera of Central American Protoneurinae.
(2020)
The larva of Psaironeura is formally described for the first time, based upon reared specimens of Psaironeura angeloi from the Tirimbina Biological Reserve, Sarapiquí, Heredia Province, Costa Rica.
Detailed illustrations ...