''Phylloblastia'' is a
genus of
foliicolous
Foliicolous refers to the growth habit of certain lichens, algae, and fungi that prefer to grow on the leaves of vascular plants
Vascular plants (), also called tracheophytes () or collectively Tracheophyta (), form a large group of land plant ...
(leaf-dwelling)
lichen
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.[Verrucariaceae
The Verrucariaceae are a family of mostly lichenised fungi in the order Verrucariales. The lichen-forming species, which comprise the vast majority of the family, have a wide variety of thallus forms, and include crustose (crust-like), foliose ( ...]
.
The genus was
circumscribed
In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius.
Not every po ...
in 1921 by Finnish lichenologist
Edvard August Vainio
Edvard August Vainio (born Edvard Lang; 5 August 185314 May 1929) was a Finnish lichenology, lichenologist. His early works on the lichens of Lapland (Finland), Lapland, his three-volume monograph on the lichen genus ''Cladonia'', and, in parti ...
, with ''
Phylloblastia dolichospora'' assigned as the
type species.
Description
Genus ''Phylloblastia'' comprises
crustose lichens with sometimes very tiny, scale-like formations. The of these lichens is either absent or very thin, structured in a manner. In species found outside of Europe, disc-shaped to shield-like
isidia are often observed. The component is typically , featuring
green algal cells that are angular-rounded and grouped irregularly or in clusters.
The
ascomata, or spore-producing structures, are , which means they are (not on a stalk) and range from hemispherical to almost spherical in shape. These structures have colours from pale orange to black. While
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 fe ...
(sterile filaments within the ascomata) are absent, (hair-like structures at the mouth of the perithecia) are usually present. The
asci ASCI or Asci may refer to:
* Advertising Standards Council of India
* Asci, the plural of ascus, in fungal anatomy
* Accelerated Strategic Computing Initiative
* American Society for Clinical Investigation
* Argus Sour Crude Index
* Association of ...
(spore-bearing cells) have a structure, meaning they have a double wall that splits to release spores.
Typically, there are eight per ascus. These spores are oblong to cylindrical in shape, with transverse or (divided in all three dimensions)
septation
In biology, a septum (Latin for ''something that encloses''; plural septa) is a wall, dividing a cavity or structure into smaller ones. A cavity or structure divided in this way may be referred to as septate.
Examples
Human anatomy
* Interatri ...
, but without constrictions at the septa, and are colourless. The genus does not show the presence of (asexual reproductive structures). Chemical analysis using
thin-layer chromatography has not detected any specific
secondary metabolites (
lichen products) in these lichens.
Species
* ''
Phylloblastia alvaroi''
* ''
Phylloblastia bielczykiae''
– Bolivia
* ''
Phylloblastia blechnicola''
– Australia
* ''
Phylloblastia borhidii'' – Tanzania
* ''
Phylloblastia dispersa''
* ''
Phylloblastia dolichospora''
* ''
Phylloblastia excavata''
– Australia
* ''
Phylloblastia fortuita''
– Europe
* ''
Phylloblastia inconspicua'' – Central America
* ''
Phylloblastia inexpectata''
– Europe
* ''
Phylloblastia marattiae''
* ''
Phylloblastia mucronata''
* ''
Phylloblastia pocsii
''Phylloblastia'' is a genus of foliicolous lichen, foliicolous (leaf-dwelling) lichens in the family Verrucariaceae. The genus was circumscription (taxonomy), circumscribed in 1921 by Finnish lichenologist Edvard August Vainio, with ''Phylloblas ...
''
* ''
Phylloblastia septemseptata''
* ''
Phylloblastia triseptata''
* ''
Phylloblastia verheyeniana''
– Democratic Republic of the Congo
References
Cited literature
*
{{Taxonbar, from=Q10629884
Verrucariales
Eurotiomycetes genera
Lichen genera
Taxa described in 1921
Taxa named by Edvard August Vainio