Guarianthe aurantiaca

  (Redirected from Cattleya aurantiaca)

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]

Guarianthe aurantiaca
Cattleya aurantiaca 2.JPG
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Genus: Guarianthe
G. aurantiaca
Binomial name
Guarianthe aurantiaca

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


  1. ^ a b Kew World Checklist of Selected Plant Families
  2. ^ page 252. Leonardo P. Felix and Marcelo Guerra: "Variation in chromosome number and the basic number of subfamily Epidendroideae (Orchidaceae)" Botanical Journal of the Linnean Society 163(2010)234-278, The Linnean Society of London
  3. ^ Effects of Orchinol, Loroglossol, Dehydroorchinol, Batatasin III, and 3,4'- Dihydroxy-5-Methoxydihydrostilbene on Orchid Seedlings. Katherine A. Hills, Albert Stoessl, Allison P. Oliva and Joseph Arditti, Botanical Gazette, September 1984, Vol. 145, No. 3, pages 298-301 (link)