Derrick Posted August 16, 2015 Report Share Posted August 16, 2015 Dischidiopsis papuana (Warb) Schltr. (Friedrich Richard Rudolf Schlechter) in Fragmenta Florae Philippinae 1, p128. (1904). http://www.biodiversitylibrary.org/item/42271#page/142/mode/1up Basionym Dischidia papuana Warb, (Otto Warburg) in Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 18, Plantae Hellwigianae, p205, (1894) (Bot. Jahrb. Syst.) Possible further references in German as Marsdenia ??? http://www.biodiversitylibrary.org/name/Marsdenia_papuana. Can German speakers add to this? Link to comment Share on other sites More sharing options...
Derrick Posted August 21, 2015 Author Report Share Posted August 21, 2015 LIVSHULTZ, TATYANA. L.H. Bailey Hortorium, 462 Mann Library, Cornell University, Ithaca, NY 14853. - Systematics and evolution of ant-leaves in the genus Dischidia (Asclepiadaceae). http://www.botany.org/bsa/portland/section13/abstracts/94.shtml "The genus Dischidia comprises approximately 80 species of succulent epiphytic vines native to Southeast Asia. The genus is divided into three sections based on leaf morphology: section Dischidia with laminar leaves, section Conchophylla with shell-shaped leaves, and section Ascidifera with pitcher-leaves. Many species of all three sections frequently occur in the nests of arboreal ants, and ants use the leaves of section Ascidifera and section Conchophylla as nesting sites. Both shell- and pitcher-leaves develop via differential growth of the adaxial and abaxial leaf surfaces, leading to the hypothesis that pitcher-leaves evolved from shell-leaves via increased curvature of the leaf during development. I present combined cladistic analysis of morphology and sequences of the second intron of the nuclear gene Leafy. The results support the monophyly of Dischidia s.l. and the sister-group relationship of Dischidia and Hoya. The segregate genera Dischidiopsis, Oistonema, Conchophyllum, and Leptostemma should be included in Dischidia s.l. while the monotypic genus Micholitzia should be excluded. The analysis also shows that Dischidia species which have both alternate and opposite phyllotaxy form a clade, a grouping which has never been formally proposed. Section Conchophylla plus section Ascidifera form a monophyletic group, consistent with the evolution of pitcher-leaves from shell-leaves." It follows that Dischidiopsis species will be transferred to Dischidia but I am not yet aware that this has been done. Link to comment Share on other sites More sharing options...
jeff Posted August 22, 2015 Report Share Posted August 22, 2015 Bonjour here on the genus dischidia we speak to 2 sections CONCHOPHYLLA and ASCIDIFERA like monophyletic group why not on the solanopteris and the microgramma ? I am a beotian Link to comment Share on other sites More sharing options...
Derrick Posted August 22, 2015 Author Report Share Posted August 22, 2015 Because the sections conchophyllum and ascidifera form a single evolutionary clade the sections are no longer viable except perhaps as useful descriptive terms for horticulturists. In the case of Microgramma, already we have an example where a non-tuberous species is sister species to a tuberous species, so again phylogenetics does not provide horticulturists with divisions that we might prefer. However, there is nothing to stop us adapting a useful descriptive term. For example, there are currently 5 myrmecodomic Microgramma species and within these, only 4 of them are Tuber Forming species. Link to comment Share on other sites More sharing options...
Aurélien Posted August 22, 2015 Report Share Posted August 22, 2015 LIVSHULTZ, TATYANA. L.H. Bailey Hortorium, 462 Mann Library, Cornell University, Ithaca, NY 14853. - Systematics and evolution of ant-leaves in the genus Dischidia (Asclepiadaceae). http://www.botany.org/bsa/portland/section13/abstracts/94.shtml This paper is interesting Derrick. I can't found a date, how old is it? Certainly not so recent, as they include Dischidia in the Asclepiadiaceae, family which ad been included in the Apocynaceae with the APG, during early 2000 to 2009 (for APG3). The best, Aurélien Link to comment Share on other sites More sharing options...
Derrick Posted August 22, 2015 Author Report Share Posted August 22, 2015 Livshultz T. 2000./ Link to comment Share on other sites More sharing options...
jeff Posted August 23, 2015 Report Share Posted August 23, 2015 Bonjour https://en.wikipedia.org/wiki/Apocynaceae As of 2012, the family was described as comprising some 5,100 species, where Apocynoideae, Asclepiadoideae, Periplocoideae, Rauvolfioideae, and Secamonoideae are its five subfamilies.[4][subscription required] The former family Asclepiadaceae is included in Apocynaceae according to the Angiosperm Phylogeny Group III (APG III) modern, largely molecular-based system of flowering plant taxonomy.[5] An updated classification, including 366 genera, 25 tribes and 49 subtribes, was published in 2014.[6] jeff Link to comment Share on other sites More sharing options...
Derrick Posted August 23, 2015 Author Report Share Posted August 23, 2015 Actually it was 2000 as I document in the opening notes in the Asclepiad section of my latest book. So it is ancient history. "Myrmecophytic, Apocynaceae, Asclepiadoideae. The former family Asclepiadaceae that includes the often-malodorous fly-pollinated terrestrial stapeliads and especially our prime focus herein, Dischidia & Hoya species, are now placed in the Dogbane family Apocynaceae, as sub-family Asclepiadoideae. See Endress & Bruyns (2000). A revised classification of the Apocynaceae s.l. Botanical Review 66, pp1-56, http://link.springer.com/article/10.1007%2FBF02857781#page-1 ". Link to comment Share on other sites More sharing options...
Derrick Posted September 14, 2015 Author Report Share Posted September 14, 2015 I have added a little more information just in case German speakers might find anything useful. Dischidiopsis Schltr. in J. Perkins, Fragmenta Florae Philippinae p128, (1904.) (Fragm. Fl. Philipp.) Type not designated. http://www.biodiversitylibrary.org/item/42271#page/142/mode/1up Now subsumed back into Dischidia see there. http://www.jstor.org/stable/41738717?seq=1#page_scan_tab_contents Dischidiopsis papuana (Warb) Schltr. (Friedrich Richard Rudolf Schlechter) also in Fragmenta Florae Philippinae 1, p128. (1904). http://www.biodiversitylibrary.org/item/42271#page/142/mode/1up Basionym Dischidia papuana Warb, (Otto Warburg) in Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 18, Plantae Hellwigianae p205, (1894) (Bot. Jahrb. Syst.) http://www.biodiversitylibrary.org/page/203191#page/212/mode/1up Notes in German. http://www.biodiversitylibrary.org/page/203191#page/212/mode/1up Possible further references in German as a Marsdenia http://www.biodiversitylibrary.org/page/42903342#page/149/mode/1up http://www.biodiversitylibrary.org/page/42835874#page/375/mode/1up I have only included this name because it is used in (T)he world list of ant domatium-bearing plants. http://www.researchgate.net/publication/276988079_The_world_list_of_ant_domatium-bearing_plants_nph13271-TableS1 Link to comment Share on other sites More sharing options...
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