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Triphyophyllum peltatum is a facultatively carnivorous, up to tall vine in the monotypic genus Triphyophyllum in the family Dioncophyllaceae native to tropical western Africa, in Guinea, Ivory Coast, Liberia, and Sierra Leone where it grows in tropical rainforest.
SPECIES
本条目部分链接不符合格式手冊規範。跨語言链接及章節標題等處的链接可能需要清理。(2015年12月12日) 請協助改善此條目。參見WP:LINKSTYLE、WP:MOSIW以了解細節。突出显示跨语言链接可以便于检查。 二名法 Triphyophyllum peltatum(Hutch. & Dalz.) Airy Shaw (1952) 穗葉藤屬的分佈狀態 穗葉藤屬(拉丁語:Triphyophyllum;標音:tɹɪfɪəʊfɪləm/ 或是 /tɹɪfɪɒfɪləm)為單型的植物屬,相當於唯一的種類──盾籽穗葉藤(學名:Triphyophyllum peltatum)。本種原產於熱帶非洲西部、塞拉利昂以及賴比瑞亞,生長在熱帶雨林中。 現在僅3處植物園有栽培盾籽穗葉藤:阿必尚、波恩以及維爾茨堡。這個品種在私人收集中是極度珍稀的。 穗葉藤化合物;左上:R = -H:Habropetalin A;R = -OH:Dioncophyllin A.;左下:Dioncophyllin;右下:Dioncophyllin C. 注釋 Bringmann, G., H. Rischer, J. Schlauer, K. Wolf, A. Kreiner, M. Duschek & L.A. Assi 2002. The Tropical Liana Triphyophyllum peltatum (Dioncophyllaceae): Formation of Carnivorous Organs is only a facultative prerequisite for shoot elongation.PDF (1.30 MiB) Carnivorous Plant Newsletter 31(2): 44–52. Bringmann, G., J. Schlauer, K. Wolf, H. Rischer, U. Buschbom, A. Kreiner, F. Thiele, M. Duschek & L.A. Assi 1999. Cultivation of Triphyophyllum peltatum (Dioncophyllaceae), the part-time carnivorous plant.PDF (1.25 MiB) Carnivorous Plant Newsletter 28(1): 7–13. Bringmann, G., M. Wenzel, H.P. Bringmann & J. Schlauer 2001. Uptake of the amino acid alaninie by digestive leaves: proof of carnivory in the tropical liana
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Triphyophyllum peltatum is a facultatively carnivorous, up to tall vine in the monotypic genus Triphyophyllum in the family Dioncophyllaceae native to tropical western Africa, in Guinea, Ivory Coast, Liberia, and Sierra Leone where it grows in tropical rainforest.
==Description== thumb|Flower, fruit and ripe seed of the adult plant thumb|Juvenile non climbing insectivorous stage of Triphyophyllum with entire leaves and a single glandular insectivorous leaf resembling those of Drosophyllum thumb|Unfurling tip of a juvenile insectivorous leaf with stalked glands in the SEM ===Vegetative characteristics=== It is a facultatively carnivorous, heterophyllous, up to tall vine with glabrous, terete stems. It has 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 Dracaena-like leaves about in length with undulate margins. At times when there is insufficient phosphorus in the soil it develops long, slender, glandular, circinate leaves up to in length and bearing two sorts of glands, and resembling those of the related Drosophyllum, which capture insects; there being one to three of these leaves in each rosette. In the plant's adult liana form it has short non-carnivorous leaves bearing a pair of "grappling hooks" at their tips on a long twining stem which can become in length and thick. T. peltatum is the largest of all confirmed carnivorous plants in the world, but its carnivorous nature did not become known until 1979, over 50 years after the plant's scientific description.
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