''Caloboletus'' is a fungal
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
in the family
Boletaceae. It was
circumscribed
In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius.
Not every polyg ...
by Italian mycologist Alfredo Vizzini with ''
Caloboletus calopus
''Caloboletus calopus'', common name, commonly known as the bitter beech bolete or scarlet-stemmed bolete, is a fungus of the Boletaceae, bolete family, found in Asia, Northern Europe and North America. Appearing in coniferous forest, conifero ...
'' as the
type species
In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen ...
.
The erection of ''Caloboletus'' follows recent
molecular
A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds; depending on context, the term may or may not include ions which satisfy this criterion. In quantum physics, organic chemistry, and bioche ...
studies that outlined a new
phylogenetic
In biology, phylogenetics (; from Greek φυλή/ φῦλον [] "tribe, clan, race", and wikt:γενετικός, γενετικός [] "origin, source, birth") is the study of the evolutionary history and relationships among or within groups o ...
framework for the Boletaceae.
''
Boletus peckii'' was also transferred to this genus by Vizzini, but was subsequently moved to the genus ''
Butyriboletus
''Butyriboletus'' is a genus of fungi in the family Boletaceae. The genus was circumscribed in 2014 by mycologists David Arora and Jonathan L. Frank to accommodate "butter bolete" species that were shown by molecular phylogenetics, molecular anal ...
'' based on molecular evidence.
The generic name ''Caloboletus'', derived from the Greek ''calos'' "nice", refers to the attractive red coloring of the stipe.
Species
*''
Caloboletus calopus
''Caloboletus calopus'', common name, commonly known as the bitter beech bolete or scarlet-stemmed bolete, is a fungus of the Boletaceae, bolete family, found in Asia, Northern Europe and North America. Appearing in coniferous forest, conifero ...
'' (Pers.) Vizzini (2014)
*''
Caloboletus conifericola'' Vizzini (2014)
*''
Caloboletus firmus'' (Frost) Vizzini (2014)
*''
Caloboletus frustosus'' (Snell & E.A.Dick) D.Arora & J.L.Frank (2014)
*''
Caloboletus guanyui'' N.K. Zeng, H. Chai & S. Jiang (2019)
*''
Caloboletus inedulis'' (Murrill) Vizzini (2014)
*''
Caloboletus kluzakii'' (Šutara & Špinar) Vizzini (2014)
*''
Caloboletus marshii'' D.Arora, C.F.Schwarz & J.L.Frank (2014) – United States
*''
Caloboletus panniformis'' (Taneyama & Har.Takah.) Vizzini (2014)
*''
Caloboletus polygonius'' (A.E.Hills & Vassiliades) Vizzini (2014)
*''
Caloboletus radicans'' (Pers.) Vizzini (2014)
*''
Caloboletus roseipes'' (Bessette, Both & A.R.Bessette) Vizzini (2014)
*''
Caloboletus rubripes'' (Thiers) Vizzini (2014)
*''
Caloboletus xiangtoushanensis'' Ming Zhang, T.H. Li & X.J. Zhong (2017)
*''
Caloboletus yunnanensis'' Kuan Zhao & Zhu L.Yang (2014)
References
Boletales genera
{{Boletales-stub