... ALLOCATION AND GEOMETRY OF THE CLONAL FOREST HERB LAPORTEA CANADENSIS: ADAPTIVE RESPONSES TO THE ENVIRONMENT OR ALLOMETRIC ... and geometric responses to several environmental variables for Laportea canadensis, a clonal forb dominating the herbaceous stratum of many North American floodplain and mesic forests. Laportea stems and plants, especially dominant ones, generally (60%) ... by Givnish [1982]), helps explain the success of Laportea in a range of microenvironments. In upland forests, ... display. With increasing conspecific density and leaf production, Laportea stems in both uplands and floodplains grow taller, ...
Tópico(s): Plant Water Relations and Carbon Dynamics
1987 - Wiley | American Journal of Botany
... and geometric responses to several environmental variables for Laportea canadensis , a clonal forb dominating the herbaceous stratum of many North American floodplain and mesic forests. Laportea stems and plants, especially dominant ones, generally (60%) ... by Givnish [1982]), helps explain the success of Laportea in a range of microenvironments. In upland forests, ... display. With increasing conspecific density and leaf production, Laportea stems in both uplands and floodplains grow taller, ... stems. Intermediate soil textures in floodplains promote maximum Laportea production; variations in other factors are less important. ...
Tópico(s): Botany, Ecology, and Taxonomy Studies
1987 - Wiley | American Journal of Botany
Claudia EN Momo, Julius Enyong Oben, Dagobert Tazoo, Étienne Dongo,
Laportea ovalifolia (Scham and Thonn) is widly use in Cameroon for the treatment of diabetes mellitus. The ... antidiabetic and hypolipidaemic effects of aqueous extract of Laportea ovalifolia aerial part in normal and alloxan diabetic ... treated diabetic group. These results suggest that the Laportea ovalifolia aqueous extract of the aerial part possesses ... hypolipideamic effects in alloxan-induced diabetic rats.Keywords: Laportea ovalifolia, alloxan, antidiabetic, hypolipidemicAfrican Journal of Traditional, Complementary ...
Tópico(s): Phytochemicals and Antioxidant Activities
2005 - African Traditional Herbal Medicine Supporters Initiative (ATHMSI) | African Journal of Traditional Complementary and Alternative Medicines
... clonal growth in different environments are tested for Laportea canadensis, a wind-pollinated, rhizomatous, monoecious herb of ... Different environments in floodplain forests are associated with Laportea's allocation to male (fast drainage) vs. female ( ... All types of reproduction are size-dependent in Laportea. However, male reproduction requires larger minimum sizes than ... for longer distance wind-pollination. Clonal growth in Laportea allows persistence in dark upland areas with high ...
Tópico(s): Botany, Ecology, and Taxonomy Studies
1990 - University of Notre Dame | The American Midland Naturalist
Xuan Lu, Yuxuan Zhao, Bo Li, Weixing Feng, Junkai Qi, Baomin Feng,
Phytochemical investigation of the aerial part of Laportea bulbifera (Siebold & Zucc.) Wedd. (L. bulbifera) showed the isolation of seventeen compounds, including five flavonoids (1-4 and 6), one terpenoid (5), five ... and 15-17) were firstly obtained from genus Laportea. Furthermore, the result of the chemotaxonomic significance discussion ... the future phytochemical and chemotaxonomic research on genus Laportea. Simultaneously, this research provided the theoretical evidence for ...
Tópico(s): Biological Activity of Diterpenoids and Biflavonoids
2022 - Wiley | Chemistry & Biodiversity
Changkyun Kim, Tao Deng, Mark W. Chase, Dai-Gui Zhang, Ze‐Long Nie, Hang Sun,
... Elatostemateae. All genera were monophyletic except for Urtica , Laportea , and Urera . Two Hesperocnide species are nested within Urtica . Laportea and Urera are divided into three groups with ... Urticeae: clade A including Urtica (with Hesperocnide ), Zhengyia , Laportea I, and Nanocnide ; clade B comprising Dendrocnide and ... clade C including only Girardinia ; clade D including Laportea II; and clade E including Obetia , Urera I, ...
Tópico(s): Plant and animal studies
2015 - Wiley | Taxon
Alam Khan, Mohammad Rashedul Haque, M. Mukhlesur Rahman, Ashik Mosaddik, Motiur Rahman, Nasim Sultana,
... known compounds were isolated from the roots of Laportea crenulata Gaud. The structures of all compounds were ... has shown moderate activity against tested fungi. Keywords: Laportea crenulata2α,3β,21β,23,28-Penta hydroxyl 12- ...
Tópico(s): Phytochemistry and Bioactive Compounds
2007 - Taylor & Francis | Natural Product Research
David J. Augustine, Lee E. Frelich, Peter A. Jordan,
... deer, Odocoileus virginianus, and a dominant forb species, Laportea canadensis, in the understory of deciduous forests by ... different deer and forb densities. Deer consumption of Laportea, measured at the scale of a forest stand, ... at which herbivory has no detectable effect on Laportea populations. This potential for a nonmonotonic relationship between ...
Tópico(s): Wildlife Ecology and Conservation
1998 - Wiley | Ecological Applications
T-W Christina Leung, Dudley H. Williams, Jennifer C. J. Barna, Salvatore Foti, Peter B. Oelrichs,
... spectrometric studies, two alternative structures for Moroidin, from Laportea moroides, have been elucidated. Moroidin, which may be ... at least in part for the toxicity of Laportea moroides, is a tricyclic octapeptide containing an unusual ...
Tópico(s): Marine Sponges and Natural Products
1986 - Elsevier BV | Tetrahedron
A new herb species of Urticaceae, Laportea stolonifera B. L. Bhellum & B. Singh, is described and illustrated from a restricted habitat of subtropical forest of Northwest Himalaya, India. The new taxon is vegetatively similar to Laportea ovalifolia (Schumach. & Thonn.) Chew, an African endemic species and Laportea interrupta (L.) Chew but differs by phenotypic characters ... habitats occupancy, but isolated geographically from each other. Laportea stolonifera is assessed as Endangered, and the population ...
Tópico(s): Plant and animal studies
2016 - Bangladesh Association of Plant Taxonomists | Bangladesh Journal of Plant Taxonomy
Jiaxin Feng, Yue Sun, Z.X. Wei, Hui Sun, Li Li, Junyi Zhu, Guangqing Xia, Hao Zang,
Laportea bulbifera (Sieb. et Zucc.) Wedd., a plant with a long history of medicinal use, possesses uncertainly ... medicinal value, this study focused on investigating the Laportea bulbifera aboveground part (LBAP) and the Laportea bulbifera root (LBR). Through an assessment of the ... the root is the optimal medicament portion for Laportea bulbifera. Furthermore, it was discovered that the presence ...
Tópico(s): Phytochemistry and Biological Activities
2023 - Multidisciplinary Digital Publishing Institute | Molecules
Miaomiao Wang, Yanan Li, Weikang Ming, Panfeng Wu, Ping Yi, Zipeng Gong, Xiao‐Jiang Hao, Chun‐Mao Yuan,
Laportea bulbifera (Sieb. et. Zucc.) Wedd has long been utilized in Traditional Chinese Medicines (TCM) for the ...
Tópico(s): Synthesis and biological activity
2022 - Elsevier BV | Arabian Journal of Chemistry
Nomfundo Mahlangeni, Roshila Moodley, Sreekantha B. Jonnalagadda,
... the nutritional value of the leaves of nettles ( Laportea alatipes and Obetia tenax ) was evaluated and compared, ...
Tópico(s): Phytochemistry and Biological Activities
2020 - Nature Portfolio | Scientific Reports
Yinrui Chen, Shuhan Zou, Wenfen Xu, Qingwen Sun, Li Yun,
Laportea bulbifera, named Hong He Ma in Chinese, is a Chinese herbal medicine commonly used by the ...
Tópico(s): Traditional Chinese Medicine Analysis
2019 - Wiley | Biomedical Chromatography
SISWO SISWO, Chung-Weon Yun, Susi Abdiyani,
... 52.1, p = 0.042) for Watujali. Meanwhile, Laportea sinuata, as the specific tree of water source ... adaptability. Specific plants of water source areas, including Laportea sinuata, Coctus spicatus, and Calocassia gigantea, were significant ...
Tópico(s): Coastal wetland ecosystem dynamics
2019 - Multidisciplinary Digital Publishing Institute | Forests
Oteng Dapaah Susana, Agyare Christian, Duah Boakye Yaw, Theresa Appiah Agana,
... of leaf methanol extracts of Hilleria latifolia and Laportea ovalifolia on some commonly used antibiotics. Micro-dilution ...
Tópico(s): Ethnobotanical and Medicinal Plants Studies
2016 - Academic Journals | Journal of Medicinal Plants Research
Cedric F. Tchinda, Igor K. Voukeng, Véronique Penlap Beng, Victor Kuete,
... Albizia adianthifolia, Alchornea laxiflora, Boerhavia diffusa, Combretum hispidum, Laportea ovalifolia and Scoparia dulcis against a panel of ...
Tópico(s): Natural product bioactivities and synthesis
2016 - Elsevier BV | Saudi Journal of Biological Sciences
Charlotte Bremer Christensen, Jens Soelberg, Anna K. Jäger,
Laportea aestuans (L.) Chew (Urticaceae) was historically ingested together with chalk by pregnant women in Ghana when ...
Tópico(s): Microbial Metabolites in Food Biotechnology
2015 - Elsevier BV | Journal of Ethnopharmacology
Nomfundo Mahlangeni, Roshila Moodley, Sreekantha B. Jonnalagadda,
Laportea peduncularis and Urtica dioica, which are popularly known as "Nettles" belong to the plant family Urticaceae ...
Tópico(s): Botany and Plant Ecology Studies
2015 - Taylor & Francis | Journal of Environmental Science and Health Part B
Hydroethanolic leaf extract of Laportea aestuans L. was screened for antioxidant activity using various antioxidant models such as 1,1-diphenyl-2-picryl hydroxyl quenching ( ...
Tópico(s): Phytochemistry and Biological Activities
2014 - International organization of Scientific Research (IOSR) | IOSR Journal of Environmental Science Toxicology and Food Technology
Tao Deng, Changkyun Kim, Dai-Gui Zhang, Jianwen Zhang, Zhiming Li, Ze‐Long Nie, Hang Sun,
... distinguished from the related genera Urtica, Hesperocnide, and Laportea in the tribe Urticeae by its seed (oblong– ... group related to Urtica (including Hesperocnide) species and Laportea cuspidata in tribe Urticeae. The bulbiliferous species of ...
Tópico(s): Plant and animal studies
2013 - Wiley | Taxon
Produção Nacional
Revisado por pares
Gisele Oliveira, Laise de Holanda Cavalcanti, Antônio Fernando Morais de Oliveira,
Context: Xanthosoma sagittifolium Schott. (Araceae) and Laportea aestuans (L.) Chew (Urticaceae) are two medicinal species used as food and to prevent and treat bone diseases, such as osteoporosis, in ...
Tópico(s): Heavy Metals in Plants
2012 - Taylor & Francis | Pharmaceutical Biology
... by hydro-distillation from the whole plant of Laportea aestuans (Gaud) were analysed by GC and GC/ ...
Tópico(s): Ethnobotanical and Medicinal Plants Studies
2011 - Elsevier BV | Arabian Journal of Chemistry
... the Japanese wild edible plants of Diplazium squamigerum, Laportea macrostachya, and Vitis coignetiae were investigated by capillary ...
Tópico(s): Phytochemistry and Biological Activities
2011 - Marcel Dekker | International Journal of Food Properties
M. Mukhlesur Rahman, Alam Khan, Mohammad Rashedul Haque, M. Motiur Rahman,
... 12-ene (1) obtained from the root of Laportea crenulata exhibited remarkable antibacterial activities against both Gram (+) ...
Tópico(s): Essential Oils and Antimicrobial Activity
2008 - Elsevier BV | Fitoterapia
Dagobert Tazoo, Karsten Krohn, Hidayat Hussain, Siméon F. Kouam, Étienne Dongo,
... named laportomide A (2), have been isolated from Laportea ovalifolia. Their structures were determined by comprehensive analyses ...
Tópico(s): Sesquiterpenes and Asteraceae Studies
2007 - De Gruyter | Zeitschrift für Naturforschung B
Claudia Edwedje Noumessing Momo, Julius Enyong Oben, Dagobert Tazoo, Étienne Dongo,
A decoction of the leaves of Laportea ovalifolia is widely used in Cameroon for the treatment of several illnesses, including diabetes mellitus. The antidiabetic and hypolipidaemic effects of a ...
Tópico(s): Phytochemistry and Biological Activities
2006 - Maney Publishing | Annals of Tropical Medicine and Parasitology
... dependence were investigated in a perennial forest herb, Laportea bulbifera . A theoretical model based on fitness gain ...
Tópico(s): Animal Ecology and Behavior Studies
2002 - Wiley | Oikos
S. D. Kahn, P. M. Booth, J. P. Waltho, D. H. Williams,
... Structure Determination. Structure of the Peptide Moroidin from Laportea moroidesS. D. Kahn, P. M. Booth, J. P. ...
Tópico(s): Molecular spectroscopy and chirality
2000 - American Chemical Society | The Journal of Organic Chemistry
Tracey D. Tuberville, Peter G. Dudley, A. Joseph Pollard,
... trichomes of two plant species, Urtica dioica and Laportea canadensis, are effective defenses against four species of ...
Tópico(s): Plant and animal studies
1996 - Wiley | Oikos