''Discinella terrestris'' is a species of
fungus
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
Helotiaceae
The Helotiaceae are a family of fungi in the order Helotiales. The distribution of species in the family are widespread, and typically found in tropical areas. There are 117 genera and 826 species in the family.
A question mark after the genu ...
. It was first
described as ''Helotium terrestre'' by
Miles Joseph Berkeley
Miles Joseph Berkeley (1 April 1803 – 30 July 1889) was an English cryptogamist and clergyman, and one of the founders of the science of plant pathology.
Life
Berkeley was born at Biggin Hall, Benefield, Northamptonshire, and educated at ...
and
Christopher Edmund Broome
Christopher Edmund Broome (24 July 1812 – 15 November 1886) was a British mycologist.
Background and education
C.E. Broome was born in Berkhamsted, the son of a solicitor. He was privately schooled in Kensington and in 1832 was sent to read ...
in 1882, from collections made in
Brisbane
Brisbane ( ; ) is the List of Australian capital cities, capital and largest city of the States and territories of Australia, state of Queensland and the list of cities in Australia by population, third-most populous city in Australia, with a ...
.
transferred it to the genus ''
Discinella'' in 1958.
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 ...
are orange to yellowish-orange discs up to in diameter.
The cylindrical eight-
spore
In biology, a spore is a unit of sexual reproduction, sexual (in fungi) or asexual reproduction that may be adapted for biological dispersal, dispersal and for survival, often for extended periods of time, in unfavourable conditions. Spores fo ...
d
asci are borne on long stalks, and measure 200–225 by 10–14
μm
The micrometre (Commonwealth English as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American English), also commonly known by the non-SI term micron, is a unit of length in the International System ...
; spores are elliptical to spindle-shaped, contains two to four oil droplets, and measure 14–25 by 7.5–9 μm.
Paraphyses
Paraphyses are erect sterile filament-like support structures occurring among the reproductive apparatuses of fungi, ferns, bryophytes and some thallophytes. The singular form of the word is paraphysis.
In certain fungi, they are part of the f ...
are shaped like narrow cylinders about 2 μm thick, and have rounded tips. The species is found in Australia, where it grows on the
floor
A floor is the bottom surface of a room or vehicle. Floors vary from wikt:hovel, simple dirt in a cave to many layered surfaces made with modern technology. Floors may be stone, wood, bamboo, metal or any other material that can support the ex ...
of
sclerophyllous
Sclerophyll is a type of vegetation that is adapted to long periods of dryness and heat. The plants feature hard leaves, short internodes (the distance between leaves along the stem) and leaf orientation which is parallel or oblique to direct ...
eucalypt
Eucalypt is any woody plant with Capsule (fruit), capsule fruiting bodies belonging to one of seven closely related genera (of the tribe Eucalypteae) found across Australia:
''Eucalyptus'', ''Corymbia'', ''Angophora'', ''Stockwellia'', ''Allosyn ...
forests.
References
External links
*
{{Taxonbar, from=Q5281456
Helotiaceae
Fungi described in 1882
Fungi of Australia
Taxa named by Miles Joseph Berkeley
Taxa named by Christopher Edmund Broome
Fungus species