Disinae is a
subtribe
Subtribe is a taxonomic category ranking which is below the rank of tribe and above genus. The standard suffix for a subtribe is -ina (in animals) or -inae (in plants). The first use of this word dates back to the late 19th century. An example of ...
of
orchids
Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant. Orchids are cosmopolitan plants that are found in almost every habitat on Earth ...
that has been differently
defined
A definition is a statement of the meaning of a term (a word, phrase, or other set of symbols). Definitions can be classified into two large categories: intensional definitions (which try to give the sense of a term), and extensional definitio ...
and
placed in the two
classification systems
Classification is the activity of assigning objects to some pre-existing classes or categories. This is distinct from the task of establishing the classes themselves (for example through cluster analysis). Examples include diagnostic tests, identif ...
that are currently in use for orchids. ''Genera Orchidacearum'', which is currently the definitive
work
Work may refer to:
* Work (human activity), intentional activity people perform to support themselves, others, or the community
** Manual labour, physical work done by humans
** House work, housework, or homemaking
** Working animal, an ani ...
on orchid
taxonomy
image:Hierarchical clustering diagram.png, 280px, Generalized scheme of taxonomy
Taxonomy is a practice and science concerned with classification or categorization. Typically, there are two parts to it: the development of an underlying scheme o ...
, delimits Disinae as consisting of two closely
related genera
Genus (; : genera ) is a taxonomic rank above species and below family as used in the biological classification of living and fossil organisms as well as viruses. In binomial nomenclature, the genus name forms the first part of the binomial s ...
, ''
Disa
Disa is the heroine of a Swedish legendary saga, which was documented by Olaus Magnus, in 1555. It is believed to be from the Middle Ages, but includes Old Norse themes.
It was elaborated by Johannes Messenius in his drama ''Disa'', which was th ...
'' and ''
Schizodium
''Disa'' is a genus of flowering plants in the family Orchidaceae. It comprises about 182 species. Most of the species are indigenous to tropical and southern Africa, with a few more in the Arabian Peninsula, Madagascar, and Réunion.Hans Peter ...
'', and it places Disinae in the mostly
Africa
Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surfac ...
n
tribe
The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide use of the term in English is in the discipline of anthropology. The definition is contested, in part due to conflict ...
Diseae
Diseae is an orchid tribe in the subfamily Orchidoideae.. (See ''External links'' below). It was recognized in ''Genera Orchidacearum'' volume 2, which was published in 2001. It consisted of 12 genera in five subtribes. In molecular phylogenetic ...
, along with four other subtribes:
Brownleeinae,
Huttonaeinae,
Coryciinae
Coryciinae is a subtribe of orchids that has been differently defined and placed in the two classification systems that are currently in use for orchids. ''Genera Orchidacearum'', which is currently the definitive work on orchid taxonomy, delim ...
, and
Satyriinae
Satyriinae is an orchid subtribe in the tribe Diseae.
See also
* Taxonomy of the Orchidaceae
The taxonomy of the Orchidaceae ( orchid family) has evolved slowly during the last 250 years, starting with Carl Linnaeus who in 1753 recognize ...
.
[Alec M. Pridgeon, Phillip J. Cribb, Mark W. Chase, and Finn N. Rasmussen. 1999-2014. ''Genera Orchidacearum'' Oxford University Press. (volume 1), (volume 2), (volume 3), (volume 4), (volume 5), (volume 6)] In the
classification
Classification is the activity of assigning objects to some pre-existing classes or categories. This is distinct from the task of establishing the classes themselves (for example through cluster analysis). Examples include diagnostic tests, identif ...
for orchids that was
published
Publishing is the activities of making information, literature, music, software, and other content, physical or digital, available to the public for sale or free of charge. Traditionally, the term publishing refers to the creation and distribu ...
by
Chase
Chase or CHASE may refer to:
Businesses
* Chase Bank, a national American financial institution
* Chase UK, a British retail bank
* Chase Aircraft (1943–1954), a defunct American aircraft manufacturer
* Chase Coaches, a defunct bus operator in ...
et alii
References
Notes
References
Further reading
*
*
External links
*
{{Latin phrases
E ...
in 2015, ''Schizodium'' was placed in
synonymy
A synonym is a word, morpheme, or phrase that means precisely 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 a ...
under ''Disa'', while ''
Pachites
''Pachites'' is a genus of flowering plants in the orchid family, Orchidaceae. It contains two known species, both endemic to South Africa.Hans Peter Linder and Hubert Kurzweil. 1999. ''Orchids of Southern Africa''. 504 pages. A. A. Balkema. .Kew ...
'' and ''
Huttonaea
''Huttonaea'' is a genus of flowering plants from the orchid family, Orchidaceae. It contains 5 known species, all native to southern Africa (South Africa and Lesotho). This genus was named in honour of Caroline Hutton née Atherstone.
#
Refere ...
'' were transferred to Disinae.
[Mark W. Chase, Kenneth M. Cameron, John V. Freudenstein, Alec M. Pridgeon, Gerardo A. Salazar, Cássio van den Berg, and André Schuiteman. 2015. "An updated classification of Orchidaceae". ''Botanical Journal of the Linnean Society'' 177(2):151-174. (See ''External links'' below).] In ''Genera Orchidacearum'', ''Pachites'' and ''Satyrium'' form the subtribe Satyriinae, and ''Huttonaea'' is the sole genus in the subtribe Huttonaeinae. The transfer of ''Pachites'' and ''Huttonaea'' to Disinae by Chase et alii (2015) was done with considerable doubt, and was based upon uncertainty about the relationships of these two genera. In 2009, a
molecular phylogenetic
Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...
study
Study or studies may refer to:
General
* Education
**Higher education
* Clinical trial
* Experiment
* Field of study
* Observational study
* Scientific study
* Research
* Study skills, abilities and approaches applied to learning
Other
* Study ...
found only weak
statistical support for a
sister
A sister is a woman or a girl who shares parents or a parent with another individual; a female sibling. The male counterpart is a brother. Although the term typically refers to a familial relationship, it is sometimes used endearingly to ref ...
relationship between ''Huttonaea'' and ''Disa''.
[Richard J. Waterman, Anton Pauw, Timothy G. Barraclough, and Vincent Savolainen. 2009. "Pollinators underestimated: A molecular phylogeny reveals widespread floral convergence in oil-secreting orchids (sub-tribe Coryciinae) of the Cape of South Africa". ''Molecular Phylogenetics and Evolution'' 51(1):100-110. .]
Disinae was covered, along with the rest of the tribe Diseae, in volume 2 of ''Genera Orchidacearum'', which was published in 2001. Molecular phylogenetic studies published after 1999 showed that Diseae was
paraphyletic
Paraphyly is a taxonomic term describing a grouping that consists of the grouping's last common ancestor and some but not all of its descendant lineages. The grouping is said to be paraphyletic ''with respect to'' the excluded subgroups. In co ...
over another tribe,
Orchideae
Orchideae is a tribe of orchids in the subfamily Orchidoideae. Historically, it was divided into 2 subtribes, Orchidinae and Habenariinae. The subtribe Orchidinae alone contains about 1,800 species. However, although some phylogenetic studies hav ...
.
[Emmanuel J. P. Douzery, Alec M. Pridgeon, Paul Kores, H. P. Linder, Hubert Kurzweil, and Mark W. Chase. 1999. "Molecular phylogenetics of Diseae (Orchidaceae): a contribution from nuclear ribosomal ITS sequences". ''American Journal of Botany'' 86(6):887-899]
PDF
/ref> Consequently, Chase et alii (2015) combined Diseae and Orchideae into a larger version of Orchideae and included Disinae as one of its subtribes.[
The subtribe Disinae was erected by ]George Bentham
George Bentham (22 September 1800 – 10 September 1884) was an English botanist, described by the weed botanist Duane Isely as "the premier systematic botanist of the nineteenth century". Born into a distinguished family, he initially studie ...
in 1881,[Disinae in ]International Plant Names Index
The International Plant Names Index (IPNI) describes itself as "a database of the names and associated basic bibliographical details of seed plants, ferns and lycophytes." Coverage of plant names is best at the rank of species and genus. It inclu ...
. (see ''External links'' below).[George Bentham. 1881. page 288. In: "Notes on Orchideae". ''The Journal of the Linnean Society. Botany''. 18(110):281-367. (See ''External links'' below).] in preparation for the publication of a new classification of orchids in the 1883 edition of ''Genera Plantarum'' (Bentham & Hooker).[George Bentham and Joseph Dalton Hooker. 1883. ''Genera Plantarum'' (Bentham & Hooker) volume 3, part 2, pages 460-488. L.Reeve & Co.; Williams & Norgate: London, UK. (See ''External links'' below).] Using the suffix
In linguistics, a suffix is an affix which is placed after the stem of a word. Common examples are case endings, which indicate the grammatical case of nouns and adjectives, and verb endings, which form the conjugation of verbs. Suffixes can ca ...
es of that time for taxonomic rank
In biology, taxonomic rank (which some authors prefer to call nomenclatural rank because ranking is part of nomenclature rather than taxonomy proper, according to some definitions of these terms) is the relative or absolute level of a group of or ...
, he called it subtribe "Diseae" of his now obsolete tribe Ophrydeae.
File:Disa uniflora (21281989474).jpg, '' Disa uniflora''
File:Pachites bodkinii 15775325.jpg, ''Pachites bodkinii
''Pachites'' is a genus of flowering plants in the orchid family, Orchidaceae. It contains two known species, both endemic to South Africa.Hans Peter Linder and Hubert Kurzweil. 1999. ''Orchids of Southern Africa''. 504 pages. A. A. Balkema. .Kew ...
''
File:Huttonaea grandiflora (Giants Castle Game Reserve, South Africa) (cropped).jpg, '' Huttonaea grandiflora''
References
External links
An updated classification of Orchidaceae (2015)
Botanical Journal of the Linnean Society
Wiley Online Library
Disinae
Plant Names
IPNI
page 288
volume 18
''The Journal of the Linnean Society. Botany''
titles
BHL
orchids, page 460
View Book
''Genera Plantarum'' (Bentham & Hooker, 1883) volume 3, part 2
titles
BHL
{{Taxonbar, from=Q4246867
Orchideae
Orchid subtribes