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 ...
of
fungi
A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from ...
suborder
Order ( la, ordo) is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between family and class. In biological classification, the order is a taxonomic rank used in the classification of organisms and ...
Boletineae
The Boletineae are a suborder of the fungal order Boletales. Families in the Boletineae include the Boletaceae and the Paxillaceae.
Taxa
*Paxillaceae
**''Alpova''
**''Austrogaster''
**'' Gyrodon''
**''Hydnomerulius''
**'' Meiorganum''
**'' Mel ...
). There are approximately 25 species in the genus.
French mycologist Frédéric Bataille erected the genus in 1908, though it did not gain general acceptance for several decades and was often classified as a section (''Piperati'') of the genus '' Suillus'' or related to the genus ''
Pulveroboletus
''Pulveroboletus'' is a genus of fungi in the family Boletaceae. The genus has a cosmopolitan distribution and contains 25 species.
Taxonomy
The genus was first described by American mycologist William Alphonso Murrill in 1909. He defined specie ...
Rolf Singer
Rolf Singer (June 23, 1906 – January 18, 1994) was a Germany, German-born mycologist and one of the most important Taxonomy (biology), taxonomists of gilled mushrooms (agarics) in the 20th century.
After receiving his Ph.D. at the University ...
resurrected the genus in 1973, separating the species from the genus ''Suillus'' on the basis of distinct pigments. The name is derived from the
Ancient Greek
Ancient Greek includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Dark Ages (), the Archaic peri ...
''khalkos'' "copper", and translates as "copper pores".
The genus ''Chalciporus'', together with the genus '' Buchwaldoboletus'' form a group of fungi that is an early offshoot in the Boletaceae. Many members of the group appear to be parasitic. Wu and Yang proposed that this clade be called the subfamily Chalciporoideae. The genus ''Rubinoboletus'' was merged into this genus based on their morphological similarity, and subsequent genetic analysis—mainly due to ''Rubinoboletus'' (now ''Chalciporus'') ''rubinus'' being nested within ''Chalciporus''.
Members of the genus ''Chalciporus'' have boletoid fruit bodies with pores that are various shades of red to pink, stipes lacking in reticulations, yellow
mycelium
Mycelium (plural mycelia) is a root-like structure of a fungus consisting of a mass of branching, thread-like hyphae. Fungal colonies composed of mycelium are found in and on soil and many other substrate (biology), substrates. A typical single ...
and smooth oval spores.
Two species, '' C. chontae'' and '' C. radiatus'', have pores that are arranged in furrows that radiate out from the top of the stipe under the cap and resemble gills.
''C. piperatus'' and ''C. piperatoides'' are peppery-tasting, the former is edible while the latter is unknown. '' C. rubinellus'' and '' C. pseudorubinellus'' are milder-tasting and edible.