''Junghuhnia'' 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 ...
of
crust fungi
The corticioid fungi are a group of fungi in the Basidiomycota typically having effused, smooth basidiocarps (fruit bodies) that are formed on the undersides of dead tree trunks or branches. They are sometimes colloquially called crust fungi or pa ...
in the family
Steccherinaceae
The Steccherinaceae are a family of about 200 species of fungi in the order Polyporales. It includes crust-like, toothed, and poroid species that cause a white rot in dead wood.
Taxonomy
The family was circumscribed by Estonian mycologist Era ...
(formerly placed in the family
Meruliaceae
The Meruliaceae are a family of fungi in the order Polyporales. According to a 2008 estimate, the family contains 47 genera and 420 species. , Index Fungorum accepts 645 species in the family.
Taxonomy
The family was formally circumscribed by E ...
).
It was
circumscribed In geometry, a circumscribed circle for a set of points is a circle passing through each of them. Such a circle is said to ''circumscribe'' the points or a polygon formed from them; such a polygon is said to be ''inscribed'' in the circle.
* Circum ...
by Czech mycologist
August Carl Joseph Corda
August Carl Joseph Corda (15 November 1809 – 1849) was a physician, botanist, and mycologist from Bohemia. This botanist is denoted by the List of botanists by author abbreviation, author abbreviation Corda when Author citation (botany), citing ...
in 1842.
The generic name honours German-Dutch botanist
Franz Wilhelm Junghuhn
Friedrich Franz Wilhelm Junghuhn was a German-born Dutch botanist and geologist. His father, Friedrich Junghuhn was a barber and a surgeon. His mother was Christine Marie Schiele. Junghuhn studied medicine in Halle and in Berlin from 1827 to 18 ...
.
Description
The
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 ...
of ''Junghuhnia'' species are crust-like (rarely with a
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. The origin of the word "cap" comes from the Old French word "chapeau" which means "head co ...
). They have a dimitic
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 o ...
l system and encrusted
cystidia
A cystidium (: cystidia) is a relatively large cell found on the sporocarp of a basidiomycete (for example, on the surface of a mushroom gill), often between clusters of basidia. Since cystidia have highly varied and distinct shapes that are o ...
. Their
spores
In biology, a spore is a unit of sexual (in fungi) 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 plant ...
are obovoid (egg-shaped) to cylindrical.
Species
,
Index Fungorum
''Index Fungorum'' is an international project to index all formal names (scientific names) in the fungus kingdom. As of 2015, the project is based at the Royal Botanic Gardens, Kew, one of three partners along with Landcare Research and th ...
accepts 36 species in ''Junghuhnia'':
*''
Junghuhnia africana''
Ipulet & Ryvarden (2005) – Uganda
*''
Junghuhnia aurantilaeta''
(Corner) Spirin (2007)
*''
Junghuhnia autumnale''
Spirin, Zmitr. & Malysheva (2007)
*''
Junghuhnia carneola''
(Bres.) Rajchenb. (1984) –
St. Lucia
Saint Lucia is an island country of the West Indies in the eastern Caribbean. Part of the Windward Islands of the Lesser Antilles, it is located north/northeast of the island of Saint Vincent (Saint Vincent and the Grenadines), Saint Vincent ...
*''
Junghuhnia chlamydospora''
Ryvarden (2007) – Belize
*''
Junghuhnia collabens''
(Fr.) Ryvarden (1972)
*''
Junghuhnia complicata''
Blumenf. & J.E.Wright (1984)
*''
Junghuhnia conchiformis''
X.L.Zeng & Ryvarden (1992)
*''
Junghuhnia crustacea''
(Jungh.) Ryvarden (1972) – Africa
*''
Junghuhnia fimbriatella''
(Peck) Ryvarden (1972)
*''
Junghuhnia flabellata''
H.S.Yuan & Y.C.Dai (2012) – China
*''
Junghuhnia glabricystidia''
Ipulet & Ryvarden (2005)
*''
Junghuhnia globospora''
Iturr. & Ryvarden (2010) – Brazil; Venezuela
*''
Junghuhnia imbricata''
Spirin (2007)
*''
Junghuhnia japonica''
Núñez & Ryvarden (1999) – Japan
*''
Junghuhnia kotlabae
''Junghuhnia kotlabae'' is a species of crust fungus in the family Steccherinaceae. It was described as a new species by Czech mycologist Zdenek Pouzar in 2003. The fungus, found in Cuba, was collected from a fallen stem of the Cuban royal palm ...
''
Pouzar (2003)
*''
Junghuhnia luteoalba''
(P.Karst.) Ryvarden (1972)
*''
Junghuhnia meridionalis''
(Rajchenb.) Rajchenb. (2003)
*''
Junghuhnia micropora''
Spirin, Zmitr. & Malysheva (2007)
*''
Junghuhnia minor''
H.S.Yuan (2011)
*''
Junghuhnia minuta''
I.Lindblad & Ryvarden (1999) – Costa Rica
*''
Junghuhnia neotropica''
I.Lindblad & Ryvarden (1999) – Costa Rica
*''
Junghuhnia nitida
''Junghuhnia nitida'' is a widespread species of crust fungus in the family Steccherinaceae.
Taxonomy
Originally described as ''Poria nitida'' in 1800 by Christian Hendrik Persoon, the fungus has undergone several name changes in its taxonomic ...
''
(Pers.) Ryvarden (1972) – Asia; Africa; Europe
*''
Junghuhnia polycystidifera''
(Rick) Rajchenb. (1987)
*''
Junghuhnia pseudominuta''
H.S.Yuan & Y.C.Dai (2008)
*''
Junghuhnia pseudozilingiana''
(Parmasto) Ryvarden (1972)
*''
Junghuhnia rhizomorpha''
H.S.Yuan & Y.C.Dai (2008) – China
*''
Junghuhnia semisupiniformis''
(Murrill) Ryvarden (1985) – Brazil; Mexico; Europe (Italy, France, Germany); Caribbean
*''
Junghuhnia subfimbriata''
(Romell) Ginns (1984)
*''
Junghuhnia subnitida''
H.S.Yuan & Y.C.Dai (2008) – China
*''
Junghuhnia subundata''
(Murrill) Ryvarden (2014)
*''
Junghuhnia taiwaniana''
H.S.Yuan, Sheng H.Wu & Y.C.Dai (2012) – Taiwan
*''
Junghuhnia tropica''
H.S.Yuan, Sheng H.Wu & Y.C.Dai (2012)
*''
Junghuhnia undigera''
(Berk. & M.A.Curtis) Ryvarden (1984)
*''
Junghuhnia vitellina''
Spirin (2005)
*''
Junghuhnia zonata''
(Bres.) Ryvarden (1972)
References
Steccherinaceae
Polyporales genera
Taxa described in 1842
Taxa named by August Carl Joseph Corda
{{Polyporales-stub