Disinae 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, delimits Disinae as consisting of two closely relatedgenera, Disa and Schizodium, and it places Disinae in the mostly AfricantribeDiseae, along with four other subtribes: Brownleeinae, Huttonaeinae, Coryciinae, and Satyriinae.[3] In the classification for orchids that was published by Chaseet alii in 2015, Schizodium was placed in synonymy under Disa, while Pachites and Huttonaea were transferred to Disinae.[2] 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 phylogeneticstudy found only weak statistical support for a sister relationship between Huttonaea and Disa.[4]
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 over another tribe, Orchideae.[5] Consequently, Chase et alii (2015) combined Diseae and Orchideae into a larger version of Orchideae and included Disinae as one of its subtribes.[2]
^ abcBenny Bytebier, Dirk U. Bellstedt, and Hans Peter Linder. 2007. "A molecular phylogeny for the large African orchid genus Disa". Molecular Phylogenetics and Evolution43(1):75-90. doi:10.1016/j.ympev.2006.08.014
^ abcMark 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 Society177(2):151-174. (See External links below).
^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 Evolution51(1):100-110. doi:10.1016/j.ympev.2008.05.020.
^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 Botany86(6):887-899. PDF[dead link]
^George Bentham. 1881. page 288. In: "Notes on Orchideae". The Journal of the Linnean Society. Botany. 18(110):281-367. (See External links below).
^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).