Guarianthe aurantiaca
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Orchidaceae
Subfamily:	Epidendroideae
Genus:	Guarianthe
Species:	G. aurantiaca
Binomial name
Guarianthe aurantiaca (Bateman ex Lindl.) Dressler & W.E. Higgins
Synonyms[1]
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.

You can help expand this article with text translated from the corresponding article in Spanish. (December 2009) Click [show] for important translation instructions. View a machine-translated version of the Spanish article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Consider adding a topic to this template: there are already 1,131 articles in the main category, and specifying|topic= will aid in categorization. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Spanish Wikipedia article at [[:es:Guarianthe aurantiaca]]; see its history for attribution. You may also add the template {{Translated|es|Guarianthe aurantiaca}} to the talk page. For more guidance, see Wikipedia:Translation.

Guarianthe aurantiaca is a species of orchid. It is widespread across much of Mexico, south to Costa Rica.^[1] The diploid chromosome number of G. aurantiaca has been determined as 2n = 40.^[2]

The phananthrenoids orchinol and loroglossol have a phytoalexin effect and reduce the growth of G. aurantiaca seedlings.^[3]

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