Results 101 to 110 of about 13,769 (299)

Leaf area estimation for Psychotria carthagenensis and Psychotria hoffmannseggiana as a function of linear leaf dimensions

open access: yesActa Scientiarum: Biological Sciences, 2019
Determining leaf area is important for studies involving plant growth and development. The aim of the present study was to obtain models for estimating leaf area of Psychotria carthagenensis and Psychotria hoffmannseggiana using linear measurements of ...
João Everthon da Silva Ribeiro   +4 more
doaj   +1 more source

A checklist of the hepatics and anthocerotes of Panamá [PDF]

open access: yes, 1998
A brief account of the geography and floristic regions of Panamá is complemented with an historical account of the liverwort studies of this country. This is followed by an annotated checklist of 289 taxa, including 93 new for Panamá.
Allen, Noris Salazar   +5 more
core  

Pest categorisation of Coccus viridis

open access: yesEFSA Journal, Volume 23, Issue 7, July 2025.
Abstract The EFSA Panel on Plant Health performed a pest categorisation of Coccus viridis (Hemiptera: Coccidae), the green coffee scale, for the territory of the European Union (EU), following the commodity risk assessment of Jasminum polyanthum from Uganda, in which C. viridis was identified as a pest of possible concern to the EU.
EFSA Panel on Plant Health (PLH)   +27 more
wiley   +1 more source

Evaluation of Antioxidant Activity, Total Flavonoids, Tannins and Phenolic Compounds in Psychotria Leaf Extracts

open access: yesAntioxidants, 2014
The antioxidant activity of Psychotria carthagenensis, P. leiocarpa, P. capillacea and P. deflexa (Rubiaceae) extracts were investigated, and the concentrations of total phenolics, flavonoids, condensed tannins and flavonols were determined. The chemical
Anelise Samara Nazari Formagio   +5 more
doaj   +1 more source

Padrão de venação de Psychotria ipecacuanha) (Brot.) Stokes - (Rubiaceae). [PDF]

open access: yes, 2014
Poaia ou ipeca (Psychotria ipecacuanha (Brot.) Stokes.-Rubiaceae) apesar de seu valor farmacológico e sócio-econômico é cada vez menos freqüente no seu habitat.
ANDRADE, C. R. S.   +2 more
core  

Nutritional Potential and Protective Effects of Colocassia esculenta Flowers Against 2,4‐Dinitrophenyl Hydrazine (DNPH) Induced Anemia Wistar Strain Rats

open access: yesFood Science &Nutrition, Volume 13, Issue 6, June 2025.
The nutritional properties of C. esculenta have been demonstrated. Consumption of C. esculenta reduces anemic disorder in Wistar rats. C. esclenta harvested in Dschang has the best anti‐anemic potential. ABSTRACT This study aimed to assess the nutritional value and effect of Colocasia esculenta flowers on induced anemia in Wistar rats.
Josée Rebecca Nombo   +6 more
wiley   +1 more source

Psychotria speciosa G. Forst.

open access: yes, 2017
Psychotria speciosa G. Forst. (Fig. 2) Florulae Insularum Australium Prodromus: 16, taxon 89 (1786). Cephaelis speciosa (G. Forst.), Spreng., Systema vegetabilium 1: 749 (1824). Uragoga speciosa (G. Forst.) Drake, Illustrationes Florae Insularum Maris Pacifici 15: 38 (1890).
Lorence, David H.   +2 more
openaire   +1 more source

Rubiaceae Juss. of the restinga from APA of Algodoal/Maiandeua, Maracanã, Pará, Brazil [PDF]

open access: yesBoletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2009
Rubiaceae is represented in the Ambiental Preservation Area (APA) of Algodoal/Maiandeua by 17 species, distributed over 15 genera. The tribes with most species were Gardenieae, with four species and Spermacoceae, with three.
Luciano Ferreira Margalho   +2 more
doaj  

Avances en la propagación vía embriogénesis somática de Psychotria ipecacuanha (Brot.) Stokes, planta medicinal en peligro crítico

open access: yesRevista Colombiana de Biotecnología, 2014
Título en ingles: Advances in vitro propagation via somatic embryogenesis of Psychotria ipecacuanha (Brot.) Stokes, medicinal plant critically endangered Título corto: Avances en la propagación vía embriogénesis somática de Psychotria ipecacuanha Resumen:
Esther J. Naranjo   +2 more
doaj   +1 more source

Trait evolution and the coexistence of a species swarm in the tropical forest understory [PDF]

open access: yes, 2012
Part of PhD Dissertation of Brian Sedio. The paper also incorporates J. Wright's long term ecological data on Psychotria from BCI.1. A small number of species rich plant genera make a substantial contribution to the alpha diversity of tropical forests ...
Ackerly   +80 more
core   +2 more sources

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