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Triphyophyllum
| Triphyophyllum | |
|---|---|
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| Climbing adult Triphyophyllum with hooked leaves | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Dioncophyllaceae |
| Genus: | Triphyophyllum Airy Shaw (1951 publ. 1952) |
| Species: | T. peltatum
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| Binomial name | |
| Triphyophyllum peltatum | |
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| Triphyophyllum distribution | |
| Synonyms | |
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Triphyophyllum /ˌtrɪfioʊˈfɪləm/ is a monotypic plant genus, containing the single species Triphyophyllum peltatum of the family Dioncophyllaceae. It is native to tropical western Africa, in Ivory Coast, Sierra Leone and Liberia, growing in tropical forests.
It is a liana, with a three-stage lifecycle, each with a different shaped leaf, as indicated by its Greek name. In the first stage, T. peltatum forms a rosette of simple lanceolate leaves with undulate margins. At times when there is insufficient phosphorus in the soil[1][2] it develops long, slender, glandular leaves, resembling those of the related Drosophyllum, which capture insects; one to three of these leaves in each rosette.[3] In the plant's adult liana form it has short non-carnivorous leaves bearing a pair of "grappling hooks" [4] at their tips on a long twining stem which can become 165 feet (50 meters) in length and four inches (10 cm) thick.[5] T. peltatum is the largest of all confirmed carnivorous plants in the world, but its carnivorous nature did not become known until 1979, some 51 years after the plant's discovery.[6] Its seeds are about 3 inches (7.6 cm) in diameter, bright red in color, disc-shaped, with a peltate stalk emerging from the fruit. Most of the seed's development occurs outside the fruit.[7] The fruit and seed develop from an orange flower with five incurved petals.[8] As the seed dries out, its wide umbrella shape enables it to be transported on the wind.
Triphyophylum peltatum is difficult to cultivate;[1][9] it is cultivated in four botanical gardens: Abidjan, Bonn, Cambridge University and Würzburg[citation needed], and is exceedingly rare in private collections.
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- ^ a b Winkelmann, Traud; Bringmann, Gerhard; Herwig, Anne; Hedrich, Rainer (2023). "Carnivory on demand: phosphorus deficiency induces glandular leaves in the African liana Triphyophyllum peltatum". New Phytologist. 239 (3): 1140–1152. doi:10.1111/nph.18960. ISSN 0028-646X. PMID 37191044.
confirmation of phosphorus starvation to be essential and sufficient
- ^ Simons, Paul (17 April 2024). "Plantwatch: why does a rainforest vine turn into a part-time carnivore?". The Guardian.
- ^ "Triphyophyllum peltatum - Redfern Natural History". www.redfernnaturalhistory.com. Archived from the original on 2017-03-19.
- ^ "Image of Triphyophyllum leaves". Archived from the original on 2018-02-16.
- ^ George Cheer, A GUIDE TO CARNIVOROUS PLANTS OF THE WORLD (Pymble, New South Wales, Aust.: Angus and Robertson, 1992) p. 122.
- ^ Sally Green et al, "Seasonal Heterophylly and Leaf Gland Features in Triphyophyllum (Dioncophyllaceae)", BOT. JOURNAL LINNEAN SOC. LONDON Vol. 78 # 2 (February 1979) pp. 99-116.
- ^ John Hutchinson and J. M. Dalziel, "Tropical African Plants II" KEW BULLETIN (1928) pp. 31-32. (Under the name Dioncophyllum peltatum).
- ^ "Triphyophyllum peltatum flower | floristtaxonomy.com". www.floristtaxonomy.com. Archived from the original on 2017-03-18.
- ^ Bringmann, Gerhard; Schlauer, Jan; Wolf, Kristina; Rischer, Heiko; Buschbom, Uwe; Kreiner, Andreas; Thiele, Friedrich; Duschek, Martin; Assi, Laurent Ake (1999-03-01). "Cultivation of Triphyophyllum peltatum (Dioncophyllaceae), the part-time carnivorous plant". Carnivorous Plant Newsletter. 28 (1): 7–13. doi:10.55360/cpn281.gb418.
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