''Sarcodon pakaraimensis'' is a species of

tooth fungus The hydnoid fungi are a group of fungi in the Basidiomycota with basidiocarps (fruit bodies) producing spores on pendant, tooth-like or spine-like projections. They are colloquially called tooth fungi. Originally such fungi were referred to the ...

in the family

Bankeraceae The ''Bankeraceae'' are a family of fungi in the order Thelephorales. Taxa are terrestrial, and ectomycorrhizal with plant species in families such as Pinaceae or Fagaceae. The family was circumscribed by Marinus Anton Donk in 1961. Accordin ...

. Found in

Guyana Guyana ( or ), officially the Cooperative Republic of Guyana, is a country on the northern mainland of South America. Guyana is an indigenous word which means "Land of Many Waters". The capital city is Georgetown. Guyana is bordered by the ...

, where it grows in mixed

Pakaraimaea ''Pakaraimaea'' is a genus of trees in the family Cistaceae. The genus contains a single species, ''Pakaraimaea dipterocarpacea'', from South America. The species is found in the western highlands of Guyana and in adjacent Bolivar State in Ve ...

–

Dicymbe ''Dicymbe'' is a genus of 20 species of canopy trees in the family Fabaceae, within subfamily Detarioideae. It is found throughout the Guyana Shield region and parts of W Amazonia. Certain species within the genus are strongly associated with ect ...

forest, it was described as new to science in 2015. It is differentiated from other ''

Sarcodon ''Sarcodon'' is a genus of fungi in the family Bankeraceae, which is part of the order Thelephorales known for its almost universal ectomycorrhizal life style. The genus owes its name to the presence of teeth-like spines on the hymenophore, it ...

'' species by its smooth to pitted, pinkish-gray cap that stains black, its hollow stipe, and the pink staining reaction of injured flesh. Its spores measure 5–7 µm long by 5–9 µm wide. They make a fresh dark reddish-brown spore print, which tends to lighten to yellowish brown when it is dry.

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 ...

analysis of

DNA sequence DNA sequencing is the process of determining the nucleic acid sequence – the order of nucleotides in DNA. It includes any method or technology that is used to determine the order of the four bases: adenine, guanine, cytosine, and thymine. Th ...

s shows the fungus to be closely related to '' S. umbilicatus''. The

specific epithet In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

''pakaraimensis'' refers to the Pakaraima Mountains—the

type locality Type locality may refer to: * Type locality (biology) * Type locality (geology) See also * Local (disambiguation) * Locality (disambiguation) {{disambiguation ...

References

External links

* Fungi described in 2015 Fungi of Guyana pakaraimensis {{Agaricomycetes-stub