Biology:Xalocoa

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Short description: Genus of lichens

Xalocoa
Scientific classification edit
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Graphidales
Family: Graphidaceae
Genus: Xalocoa
Kraichak, Lücking & Lumbsch (2013)
Species:
X. ocellata
Binomial name
Xalocoa ocellata
(Fr.) Kraichak, Lücking & Lumbsch (2013)
Synonyms[1]

Xalocoa is a single-species fungal genus in the family Graphidaceae.[2] The genus was circumscribed in 2013 by lichenologists Ekaphan Kraichak, Robert Lücking, and H. Thorsten Lumbsch. It contains Xalocoa ocellata, a corticolous (bark-dwelling), crustose lichen that was originally described by Elias Magnus Fries in 1831 (as Parmelia ocellata).[3]

Xalocoa belongs to the subfamily Graphidoidae, and tribe Thelotremateae in the Graphidaceae. The genus is characterized by its greyish-white thallus covered by an epinecral layer, large apothecioid ascomata with exposed discs and thick, entire thalline margins, as well as a thin, reduced, uncarbonised proper exciple that lacks lateral paraphyses. The genus features a non-inspersed hymenium, pale brown, non-amyloid ascospores, bacilliform conidia, and contains the norstictic acid chemosyndrome. The genus name Xalocoa originates from the Catalan term xaloc, which signifies the sirocco, a warm wind that comes from the Sahara and affects Mediterranean regions. The species epithet pays tribute to Xavier Llimona, a Catalan researcher known for his work on Mediterranean lichens and his contributions to the taxonomy of the genus Diploschistes.[3]

References

  1. "Synonymy. Current Name: Xalocoa ocellata (Fr.) Kraichak, Lücking & Lumbsch, Aust. Syst. Bot. 26(6): 472 (2014) [2013"]. Species Fungorum. https://www.speciesfungorum.org/Names/SynSpecies.asp?RecordID=805431. 
  2. "Xalocoa". Species 2000: Naturalis, Leiden, the Netherlands. https://www.catalogueoflife.org/data/taxon/88BL. 
  3. 3.0 3.1 Kraichak, Ekaphan; Parnmen, Sittiporn; Lücking, Robert; Lumbsch, H. Thorsten (2013). "Gintarasia and Xalocoa, two new genera to accommodate temperate to subtropical species in the predominantly tropical Graphidaceae (Ostropales, Ascomycota)". Australian Systematic Botany 26 (6): 466. doi:10.1071/sb13038. 

Wikidata ☰ Q21230502 entry