''Truncocolumella'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

fungi A fungus (: fungi , , , or ; or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified as one ...

in the family

Suillaceae The Suillaceae are a family of fungi in the order Boletales (suborder Suillineae), containing the boletus-like ''Suillus'', the small truffle-like ''Truncocolumella'', as well as the monotypic genus '' Psiloboletinus''. As of 2008, there are 54 ...

, of the order

Boletales The Boletales are an order of Agaricomycetes containing over 1300 species with a diverse array of fruiting body types. The boletes are the best known members of this group, and until recently, the Boletales were thought to only contain boletes. ...

. It was circumscribed by American mycologist

Sanford Myron Zeller Sanford Myron Zeller (19 October 1885 – 4 November 1948) was an American mycologist. Born in Coldwater, Michigan, Zeller was educated at Lawrence College in Wisconsin, then Greenville College in Illinois, from which he received a Bachelor ...

in 1939. One field guide lists the potato-like ''Truncocolumella citrina'' as edible. • To determine the odour of ''Truncocolumella citrina'' mature fruiting bodies of were extracted in

diethyl ether Diethyl ether, or simply ether, is an organic compound with the chemical formula , sometimes abbreviated as . It is a colourless, highly Volatility (chemistry), volatile, sweet-smelling ("ethereal odour"), extremely flammable liquid. It belongs ...

and analyzed by gas chromatography-mass spectroscopy (GC-MS). The two major odor compounds that were identified are hexanoic acid and phenylacetaldehyde. These compounds were not found on examination of immature fruiting bodies.

References

Boletales Boletales genera Taxa named by Sanford Myron Zeller Taxa described in 1939 {{Boletales-stub