''Truncospora'' is a

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 10 species 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 ...

in the family

Polyporaceae The Polyporaceae are a family of poroid fungi belonging to the Basidiomycota. The flesh of their fruit bodies varies from soft (as in the case of the dryad's saddle illustrated) to very tough. Most members of this family have their hymeniu ...

Taxonomy

The genus was originally proposed by Czech mycologist

Albert Pilát Albert Pilát (November 2, 1903 – May 29, 1974) was a Czech botanist and mycologist. He studied at the Faculty of Science at Charles University, under the guidance of Professor Josef Velenovský. In 1930, he joined the National Museum, eventuall ...

in 1941, but this publication is

invalid Invalid may refer to: * Patient, a sick person * one who is confined to home or bed because of illness, disability or injury (sometimes considered a politically incorrect term) * .invalid, a top-level Internet domain not intended for real use As t ...

because a

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 ...

was not designated, contrary to the rules of botanical nomenclature. He published the genus validly in 1953 with two species: ''

Truncospora oboensis ''Truncospora'' is a genus of 10 species of fungi in the family Polyporaceae. Taxonomy The genus was originally proposed by Czech mycologist Albert Pilát in 1941, but this publication is validly published name, invalid because a type species wa ...

'', and the type, ''T. ochroleuca''.

Leif Ryvarden Leif Randulff Ryvarden (born 9 August 1935) is a Norwegian mycologist. Early life and education Leif Ryvarden was born in Bergen as a son of Einar Norberg Johansen (1900–1959) and Hjørdis Randulff (1912–1975). He finished his secondary edu ...

placed the genus in

synonymy A synonym is a word, morpheme, or phrase that means exactly or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are all ...

with ''

Perenniporia ''Perenniporia'' is a cosmopolitan genus of bracket-forming or crust-like polypores in the family Polyporaceae. They are dimitic or trimitic with smooth, thick-walled basidiospores and cause a white rot in affected wood. Taxonomy ''Perennipo ...

'' in 1972, but

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 have shown that ''Truncospora'' is distinct genetically, and comprises part of the "core polyporoid clade", a grouping of fungi roughly equivalent to the family

. The generic name ''Truncospora'' is derived from the

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...

''trunco'' ("I cut off") and 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 ...

("spore").

Description

''Truncospora'' is characterized by relatively small,

cap A cap is a flat headgear, usually with a visor. Caps have crowns that fit very close to the head. They made their first appearance as early as 3200 BC. Caps typically have a visor, or no brim at all. They are popular in casual and informal se ...

-forming

fruit bodies The sporocarp (also known as fruiting body, fruit body or fruitbody) of fungi is a multicellular structure on which spore-producing structures, such as basidia or asci, are borne. The fruitbody is part of the sexual phase of a fungal life cyc ...

that generally measure about long, wide, and thick. The skeletal

hypha A hypha (; ) is a long, branching, filamentous structure of a fungus, oomycete, or actinobacterium. In most fungi, hyphae are the main mode of vegetative growth, and are collectively called a mycelium. Structure A hypha consists of one or ...

e range from non-dextrinoid to dextrinoid, and the

spores In biology, a spore is a unit of sexual or asexual reproduction that may be adapted for dispersal and for survival, often for extended periods of time, in unfavourable conditions. Spores form part of the life cycles of many plants, algae, f ...

are truncate and strongly dextrinoid.

Species

Index Fungorum ''Index Fungorum'' is an international project to index all formal names ( scientific names) in the fungus kingdom. the project is based at the Royal Botanic Gardens, Kew, one of three partners along with Landcare Research and the Institute of M ...

accepts 10 species of ''Truncospora'': *''

Truncospora arizonica ''Truncospora'' is a genus of 10 species of fungi in the family Polyporaceae. Taxonomy The genus was originally proposed by Czech mycologist Albert Pilát in 1941, but this publication is invalid because a type species was not designated, contra ...

'' Spirin & Vlasák (2014) – USA *''

Truncospora atlantica ''Truncospora'' is a genus of 10 species of fungi in the family Polyporaceae. Taxonomy The genus was originally proposed by Czech mycologist Albert Pilát in 1941, but this publication is invalid because a type species was not designated, contra ...

'' Spirin & Vlasák (2014) –

Macaronesia Macaronesia (Portuguese: ''Macaronésia,'' Spanish: ''Macaronesia'') is a collection of four volcanic archipelagos in the North Atlantic, off the coasts of Africa and Europe. Each archipelago is made up of a number of List of islands in the At ...

;

Iberian Peninsula The Iberian Peninsula (), ** * Aragonese and Occitan: ''Peninsula Iberica'' ** ** * french: Péninsule Ibérique * mwl, Península Eibérica * eu, Iberiar penintsula also known as Iberia, is a peninsula in southwestern Europe, defi ...

*''

Truncospora detrita ''Truncospora'' is a genus of 10 species of fungi in the family Polyporaceae. Taxonomy The genus was originally proposed by Czech mycologist Albert Pilát in 1941, but this publication is invalid because a type species was not designated, contra ...

'' (Berk.) Decock (2011) – Africa *''

Truncospora floridana ''Truncospora'' is a genus of 10 species of fungi in the family Polyporaceae. Taxonomy The genus was originally proposed by Czech mycologist Albert Pilát in 1941, but this publication is invalid because a type species was not designated, contra ...

'' Vlasák & Spirin (2014) – Caribbean *''

Truncospora macrospora ''Truncospora macrospora'' is a species of poroid fungus in the family Polyporaceae. It was described as new to science in 2013 by Chinese mycologists Bao-Kai Cui and Chang-Lin Zhao. The fungus, found in southwest China, is distinguished by its ...

'' B.K.Cui & C.L.Zhao (2013) – China *''

Truncospora mexicana ''Truncospora'' is a genus of 10 species of fungi in the family Polyporaceae. Taxonomy The genus was originally proposed by Czech mycologist Albert Pilát in 1941, but this publication is invalid because a type species was not designated, contra ...

'' Vlasák, Spirin & Kout (2014) – Mexico *''

'' Decock (2011) –

São Tomé São Tomé is the capital and largest city of the Central African island country of São Tomé and Príncipe. Its name is Portuguese for " Saint Thomas". Founded in the 15th century, it is one of Africa's oldest colonial cities. History Álva ...

*''

Truncospora ornata ''Truncospora'' is a genus of 10 species of fungi in the family Polyporaceae. Taxonomy The genus was originally proposed by Czech mycologist Albert Pilát in 1941, but this publication is invalid because a type species was not designated, contra ...

'' Spirin & Bukharova (2014) – East Asia *'' Truncospora tropicalis'' Vlasák & Spirin (2014) – Caribbean *'' Truncospora wisconsinensis'' C.L.Zhao & Pfister (2015) – USA

References

{{Taxonbar, from=Q48996804 Polyporaceae Polyporales genera Taxa described in 1953