Dischidia major (original) (raw)
Dischidia major är en oleanderväxtart som först beskrevs av Vahl, och fick sitt nu gällande namn av Elmer Drew Merrill. Dischidia major ingår i släktet Dischidia och familjen oleanderväxter. Inga underarter finns listade i Catalogue of Life.
_Merr.00.jpg?width=300)
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| dbo:abstract | Dischidia major, the Malayan urn vine, is a plant in the genus Dischidia. They carry modified leaves, offering accommodation to ants, including those of the family Dolichoderinae, and in return gain some sustenance from increased carbon dioxide and nitrogen levels, and a degree of protection from noxious animals and plants. This mutualism trait, known as myrmecophily, is widespread across the plant world and clearly carries considerable benefits for both ants and plant. Dischidia major twines around the branches and trunks of trees, having a preference for those that are decaying. It produces both circular succulent leaves of about 2 cm diameter, and hollow, pouch-like 12 cm long leaves, reminiscent of the fruits of Araujia sericifera, a related species. These modified leaves, pitchers or ascidia, are purplish and richly dotted with stomata on the inner surface, and have an opening at the top end near the stalk. Organic debris and rainwater, possibly augmented by secreted fluids, accumulate in the cavity over the course of time, offering a source of nutrition which the plant uses by growing roots into the chamber. Dischidia astephana and do not provide housing for resident ants, but have roots that penetrate decaying wood and humus, reaching into the ant nests and presumably obtaining nutrients from the ant waste there. Dischidia major flowers are yellow striped with green, and arranged in few or many-flowered umbels. The fruit of D. major consists of the usual horn-shaped pair of follicles while the seed has a tuft of silky hairs at one end and includes an edible portion or elaiosome as incentive for ants to move the seed (myrmecochory) into nests inside the tree with an improved chance of germination and growth. * Plate from Richard Wettstein's Handbuch der Systematischen Botanik 1924 * Plate from Smithsonian Institution report, 1896 * Plate from Anton Joseph Kerner von Marilaun, Adolf Hansen: Pflanzenleben (en) Dischidia major är en oleanderväxtart som först beskrevs av Vahl, och fick sitt nu gällande namn av Elmer Drew Merrill. Dischidia major ingår i släktet Dischidia och familjen oleanderväxter. Inga underarter finns listade i Catalogue of Life. (sv) |
| dbo:thumbnail | wiki-commons:Special:FilePath/Dischidia_major_(Vahl)_Merr.00.jpg?width=300 |
| dbo:wikiPageExternalLink | http://www.asian-myrmecology.org/publications/am06-49-61-peeters-wiwatwitaya-2014.pdf https://web.archive.org/web/20160305013925/http:/www.orchidsonline.com.au/node/6296 |
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| dbo:wikiPageWikiLink | dbr:Elaiosome dbr:Mutualism_(biology) dbr:Araujia_sericifera dbr:Richard_Wettstein dbr:Elmer_Drew_Merrill dbr:Myrmecochory dbc:Flora_of_the_Pacific dbc:Dischidia dbr:Dischidia dbr:Dischidia_astephana dbr:Follicle_(fruit) dbc:Flora_of_Australia dbc:Flora_of_Asia dbc:Plants_described_in_1917 dbr:Dolichoderinae dbr:Martin_Vahl dbr:Plantae_Asiaticae_Rariores dbr:Myrmecophily dbr:Umbels dbr:Dischidia_parvifolia |
| dbp:authority | Merr. (en) |
| dbp:genus | Dischidia (en) |
| dbp:imageCaption | Plate 142 from Plantae Asiaticae Rariores (en) |
| dbp:species | major (en) |
| dbp:wikiPageUsesTemplate | dbt:Commons_category dbt:Reflist dbt:Short_description dbt:Speciesbox dbt:Taxonbar |
| dcterms:subject | dbc:Flora_of_the_Pacific dbc:Dischidia dbc:Flora_of_Australia dbc:Flora_of_Asia dbc:Plants_described_in_1917 |
| gold:hypernym | dbr:Plant |
| rdf:type | dbo:Plant |
| rdfs:comment | Dischidia major är en oleanderväxtart som först beskrevs av Vahl, och fick sitt nu gällande namn av Elmer Drew Merrill. Dischidia major ingår i släktet Dischidia och familjen oleanderväxter. Inga underarter finns listade i Catalogue of Life. (sv) Dischidia major, the Malayan urn vine, is a plant in the genus Dischidia. They carry modified leaves, offering accommodation to ants, including those of the family Dolichoderinae, and in return gain some sustenance from increased carbon dioxide and nitrogen levels, and a degree of protection from noxious animals and plants. This mutualism trait, known as myrmecophily, is widespread across the plant world and clearly carries considerable benefits for both ants and plant. * Plate from Richard Wettstein's Handbuch der Systematischen Botanik 1924 * Plate from Smithsonian Institution report, 1896 * (en) |
| rdfs:label | Dischidia major (en) Dischidia major (sv) |
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| foaf:depiction | wiki-commons:Special:FilePath/Dischidia_rafflesiana_vMH165.png wiki-commons:Special:FilePath/Annual_report_of_the_..._Institution_(1896)_(17813702993).jpg wiki-commons:Special:FilePath/Dischidia_major_(Vahl)_Merr.00.jpg wiki-commons:Special:FilePath/Dischidia_major_(Vahl)_Merr.08a.jpg |
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