Guarianthe aurantiaca

Guarianthe aurantiaca

''Guarianthe aurantiaca'' is a species of orchid. It is widespread across much of Mexico, south to Costa Rica. The diploid chromosome number of ''G. aurantiaca'' has been determined as 2''n'' = 40.

The phananthrenoids orchinol and loroglossol have a phytoalexin effect and reduce the growth of ''G. aurantiaca'' seedlings.
Orange Cattleya - Cattleya aurantiaca Smallest flowers in the genus Cattleya. Spotted at the entrance gate to Montecristo National Park. Guarianthe aurantiaca

Naming

Synonyms
Amalia aurantiaca (Bateman ex Lindl.) Heynh
Epidendrum aurantiacum Bateman ex Lindl. (basionym)
Cattleya aurantiaca (Bateman ex Lindl.) P.N. Don
Laelia aurantiaca (Bateman ex Lindl.) Beer
Broughtonia aurea Lindl.
Epidendrum aureum (Lindl.) Lindl.

References:

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Taxonomy
KingdomPlantae
DivisionAngiosperms
ClassMonocots
OrderAsparagales
FamilyOrchidaceae
GenusGuarianthe
SpeciesG. aurantiaca
Photographed in
El Salvador
United States of America