''Pseudocyphellaria allanii'' is a species of
corticolous (bark-dwelling) and
foliose
Foliose lichen is one of the morphological classes of lichens, which are complex organisms that arise from the symbiotic relationship between fungi and a photosynthetic partner, typically algae. This partnership allows lichen to live in diverse ...
(leafy)
lichen
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.[Peltigeraceae
The Peltigeraceae are a family of lichens in the order Peltigerales. The Peltigeraceae, which contains 15 genera and about 600 species, has recently (2018) been emended to include the families Lobariaceae and Nephromataceae. Many Peltigeraceae sp ...]
. Found in New Zealand, it was
formally described as a new species in 1982 by Bernd Renner and
David Galloway. The
type specimen
In biology, a type is a particular wiktionary:en:specimen, specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally attached. In other words, a type is an example that serves to a ...
was collected by Galloway on the path to Emily Falls on
Mount Peel
Mount Peel is a mountain located in South Canterbury, New Zealand. It consists of three peaks, Mount Peel (often referred to as Big Mt Peel), Middle Mt Peel () and Little Mt Peel/Huatekerekere (). Mt Peel is tall and is owned by the Department ...
(
South Canterbury
South Canterbury is the area of the Canterbury Region of the South Island of New Zealand bounded by the Rangitata River in the north and the Waitaki River (the border with the Otago Region) to the south. The Pacific Ocean and ridge of the Souther ...
); here it was found growing on a fallen ''
Pseudowintera
''Pseudowintera'' is a genus of woody evergreen flowering trees and shrubs, part of family Winteraceae. The species of ''Pseudowintera'' are native to New Zealand. Winteraceae are magnoliids, associated with the humid Antarctic flora of the south ...
'' on a stream bank.
The lichen contains the
secondary compounds
Secondary metabolites, also called specialised metabolites, toxins, secondary products, or natural products, are organic compounds produced by any lifeform, e.g. bacteria, fungi, animals, or plants, which are not directly involved in the norma ...
7β-acetoxyhopan-22-ol and hopan-15α-22-diol, which are
derivatives
The derivative of a function is the rate of change of the function's output relative to its input value.
Derivative may also refer to:
In mathematics and economics
* Brzozowski derivative in the theory of formal languages
* Formal derivative, an ...
of the
triterpene
Triterpenes are a class of chemical compounds composed of three terpene units with the molecular formula C30H48; they may also be thought of as consisting of six isoprene units. Animals, plants and fungi all produce triterpenes, including squale ...
compound
hopane
Hopane is a natural chemical compound classified as a triterpene. It forms the central core of a variety of other chemical compounds which are collectively known as hopanoids. The first compound of the hopane family to be isolated and characteri ...
.
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 ...
''allanii'' honours New Zealand botanist
Harry Allan
Harry Howard Barton Allan (27 April 1882 – 29 October 1957) was a New Zealand teacher, botanist, scientific administrator, and writer. Despite never receiving a formal education in botany, he became an eminent scientist, publishing ove ...
, who "described the vegetation of Mt Peel, and who later promoted interest in New Zealand lichens".
References
allanii
Lichen species
Lichens described in 1982
Lichens of New Zealand
Taxa named by David Galloway (botanist)
{{Peltigerales-stub