Results 31 to 40 of about 842 (182)

Spiny fruits revealed by nano-CT scanning: Pseudoanacardium peruvianum (Berry) gen. et comb. nov. from the early Oligocene Belén flora of Peru

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
doaj   +1 more source

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, Maddeboina Krishnaiah, Katta Venkateswarlu, Ratna Das   +3 more
doaj   +1 more source

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, Maria Nilce de Sousa Ribeiro, Maria das Graças Bichara Zoghbi   +2 more
doaj   +1 more source

Ethnobotanical survey of medicinal plants used for cervical cancer management in Zomba District, Malawi

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, Fanuel Lampiao, Anthony Mwakikunga, Ibrahim Chikowe   +3 more
doaj   +1 more source

LEVANTAMENTO PRELIMINAR DOS HOSPEDEIROS DE DENDROPHTHORA E PHORADENDRON (SANTALACEAE) NO DISTRITO FEDERAL, BRASIL

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, Carolyn Elinore Barnes Proença   +1 more
doaj   +5 more sources

CT scans of Icacinaceae fossils: Iodes spp. 2

, 2016
X-ray micro-CT scans of Iodes fossils (Icacinaceae) from the Early Eocene London Clay ...
Gregory W. Stull (3197712), Manchester, Steven R., Dan Sykes (1388397), Margaret E. Collinson (3197715), Steven R. Manchester (433852), Stull, Gregory W., Adams, Neil F., Neil F. Adams (3197709), Collinson, Margaret E., Sykes, Dan   +9 more
core   +1 more source

Rhaphiostylis minima Jongkind (Icacinaceae), a new liana species from Ivory Coast & Liberia

European Journal of Taxonomy, 2015
A new species of Rhaphiostylis, R. minima sp. nov. from Liberia and Ivory Coast, is described and illustrated here. It is characterised by its comparatively small size, an ovate to lanceolate leaf blade with long drip tip and a partly glabrous ovary that
Carel C.H. Jongkind
doaj   +1 more source

CT scans of Icacinaceae fossils: Icacinicarya spp. 1

, 2016
X-ray micro-CT scans of Icacinicarya spp.
Gregory W. Stull (3197712), Manchester, Steven R., Dan Sykes (1388397), Margaret E. Collinson (3197715), Steven R. Manchester (433852), Stull, Gregory W., Adams, Neil F., Neil F. Adams (3197709), Collinson, Margaret E., Sykes, Dan   +9 more
core   +1 more source

Ecological aspects of black-pincelled marmoset (Callithrix penicillata) in the cerradão and dense cerrado of the Brazilian Central Plateau [PDF]

Brazilian Journal of Biology, 2001
Ecological data about three free-ranging groups of C. penicillata (black-pincelled marmoset) were observed between March and December 1996, in one cerradão patch (in the Ecological Reserve of Brazilian Institute of Geography and Statistics, RECOR) and ...
G. H. B. de MIRANDA, D. S. de FARIA
doaj   +1 more source

Elevation, soil pH and calcium availability shape regional and local scale spatial patterns of PhoD gene abundance in tropical and subtropical forests

Functional Ecology, Volume 40, Issue 4, Page 983-1000, April 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Organic phosphorus mineralization is a critical process in the phosphorus cycle, governing phosphorus bioavailability for plants. The PhoD gene, which encodes the key enzyme alkaline phosphatase, serves as a valuable biomarker for this process.
Sandhya Mishra, Shangwen Xia, Wenting Wang, Xiaodong Yang   +3 more
wiley   +1 more source