Results 31 to 40 of about 2,524 (196)
Conifer-angiosperm interactions: Physiological ecology and life history. [PDF]
, 2011 Worldwide, conifers are most successful on sites subject to chronic stresses that limit productivity (low temperatures, nutrient poverty, poor drainage).
Lusk, Christopher H.
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Forest Biodiversity Assessment in Peruvian Andean Montane Cloud Forest [PDF]
, 2012 Cloud forests are unusual and fragile habitats, being one of the least studied and least understood ecosystems. The tropical Andean dominion is considered one of the most significant places in the world as rega rds biological diversity, with a very high ...
A. Ledo +63 more
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Volatile Constituents of the Stem and Root Barks of Engl
Natural Product Communications, 2007 The volatile oils obtained by hydrodistillation of the stem and root barks of Pyrenacantha staudtii Engl. (Icacinaceae) were analyzed for their constituents by Gas chromatography-Mass spectrometry (GC-MS).
Adebayo A. Lasisi +3 more
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Acta Palaeobotanica, 2018 Fossil fruits formerly described as cashews from the Oligocene of Peru are reinvestigated based on the original specimens and newly collected materials. The recovery of an outer spiny layer, preserved in the sedimentary molds surrounding the locule casts,
STEVEN R. MANCHESTER, BEHNAZ BALMAKI
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VARIAÇÃO SAZONAL DOS MACRO E MICROELEMENTOS NO GÊNERO HUMIRIANTHERA (ICACINACEAE), EM FUNÇÃO DA IDADE [PDF]
Acta Amazonica, 1992 Foram analisados 26 espécimens de H. amplae 09 de H. rupestris,nas idades jovem e adulta, coletados nas estações seca e chuvosa, quanto ao teor total de N, F, K, Ca, Mg, Mo, Cu, Zn, Mn, Fe, B, Al, Co, Cr, Na, Pb, Si e Sr nas diferentes partes vegetativas
Maria de Jesus Coutinho Varejão +2 more
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Camptothecins: Some Recent Chemical Studies
Natural Product Communications, 2006 Camptothecin, a novel, naturally-occurring pyrrolo(3,4-b)-quinoline alkaloid, and its analogues (collectively known as camptothecins) possess interesting chemistry and important anticancer and antiviral properties.
Biswanath Das +3 more
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Scientific African, 2021 Cervical cancer has limited treatment options and people have been resorting to herbal medicines in Malawi and worldwide. However, there are limited data in the published literature on medicinal plants used for cervical cancer in Malawi.
Njova Tembo +3 more
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Transcriptome analysis of stem wood of Nothapodytes nimmoniana (Graham) Mabb. identifies genes associated with biosynthesis of camptothecin, an anti-carcinogenic molecule [PDF]
, 2016 Camptothecin (CPT), a monoterpene indole alkaloid, is a potent inhibitor of DNA topoisomerase I and has applications in treating ovarian, small lung and refractory ovarian cancers. Stem wood tissue of Nothapodytes nimmoniana (Graham) Mabb.
Kumar, Sanjay +6 more
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Heringeriana, 2015 As ervas-de-passarinho dos gêneros Dendrophthora e Phoradendron apresentam uma distribuição neotropical, totalizando cerca de 360 espécies. No Brasil apenas Phoradendron é amplamente distribuído, encontrado sobre uma enorme diversidade de hospedeiros ...
Claudenir Simões Caires +1 more
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An iconic traditional apiculture of park fringe communities of Borena Sayint National Park, north eastern Ethiopia [PDF]
, 2015 Background: Traditional apiculture has been practised in Ethiopia over a long historical period and still remains a benign means to extract direct benefits from natural ecosystems.
Adal, Hussien +4 more
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