Results 31 to 40 of about 1,244 (182)

Estômatos de Guttiferae. Estudo morfológico, dimensional e quantitativo [PDF]

open access: yesActa Amazonica, 1974
RESUMO Estudo morfológico, dimensional e quantitativo dos estômatos de trinta e sete espécies de Guttiferae, com vista à Taxonomia, sendo 26 da Amazônia, 10 extra-amazônicas e 1 introduzida e aclimatada no Brasil (Garcinia mangostana L.).
José Elias de Paula
doaj   +1 more source

Small‐scale spatial variability of Technosol properties in a chronosequence of reclamation of dredged‐sediment landfills

open access: yesLand Degradation &Development, Volume 34, Issue 12, Page 3712-3727, 30 July 2023., 2023
Abstract Active reclamation is often necessary to ensure a transformation of mining waste into Technosols—“soils dominated or strongly influenced by human‐made material”—and restore its utility and environmental value. The objective of this study is to assess the spatial variation of the physicochemical properties relevant for reclamation and Technosol
Bibiana Betancur‐Corredor   +6 more
wiley   +1 more source

Comparative transcriptomic analysis reveals differences in MADS‐box genes of different hypericum in Changbai Mountains

open access: yesEcology and Evolution, Volume 13, Issue 6, June 2023., 2023
Abstract To explore the differences between the hypericum in the Changbai Mountains, we carried out a transcriptome analysis of two common hypericums in the area, which was Hypericum attenuatum Choisy and Hypericum longistylum Oliv. We screened the MADS‐box genes to analyze divergence time and evolutionary selection expression, and determine their ...
Xia Yunrui   +5 more
wiley   +1 more source

In Vitro Inhibitory Activities against α-Glucosidase, α-Amylase, and Pancreatic Lipase of Medicinal Plants Commonly Used in Chocó (Colombia) for Type 2 Diabetes and Obesity Treatment

open access: yesScientia Pharmaceutica, 2023
Plant-based therapies are widely utilized for treating diseases in approximately 80% of the global population, including Colombia’s Chocó Department.
Kevin P. Lévuok-Mena   +2 more
doaj   +1 more source

First record of the neotropical subgenus Hylaeus (Gongyloprosopis) Snelling, 1982, for Brazil (Hymenoptera: Colletidae)

open access: yesEntomological Communications, 2020
We report the first record of the neotropical bee subgenus Hylaeus (Gongyloprosopis) Snelling, 1982 (Colletidae) for Brazil. Additionally, an overview of the current geographic records for the three known species of the subgenus is presented.
Thiago Mahlmann   +3 more
doaj   +1 more source

Algumas plantas visitadas para obtenção de pólen por operárias de Melipona seminigra merrillae em Manaus [PDF]

open access: yesActa Amazonica, 1977
Resumo Estuda-se a carga transportada nas patas por 267 abelhas de Melipona seminigra durante um ano, em Manaus. Dessas, 104 (39%) não transportavam pólen, mas sim látex (no nosso caso do fruto de Vismia, inclusive com sementes), resinas e barro. Das 163
Maria Lúcia Absy, Warwick Estevam Kerr
doaj   +1 more source

Cytotoxic Activity of Sesamin Isolated from var. Triana & Planch (Guttiferae) Collected from Venezuela

open access: yesNatural Product Communications, 2008
Sesamin extracted from Vismia baccifera var. dealbata was demonstrated to have cytostatic activity on the cancer cell lines tested, particularly the lung cancer cell line, with an IC 50 of 1 g/L.
Fabiola Salas   +4 more
doaj   +1 more source

Flora of Ceará State, Brazil: Caryocaraceae, Hypericaceae, and Rhizophoraceae [PDF]

open access: yesRodriguésia, 2022
We examined the diversity and distribution of Caryocaraceae, Hypericaceae, and Rhizophoraceae in Ceará State, Brazil. Floristic treatments were carried out based on comparative analyses of the morphological characters of specimens from several Brazilian ...
Maria Iracema Bezerra Loiola   +2 more
doaj   +1 more source

Vismia sp. from Colombia collected by W. López #2388

open access: yes, 2018
File Name: TOLI-27684-MTV-01-A14-1835.jpg CÓDIGO FOTO: TOLI-27684-MTV-01-A14-1835 Nº TOLI: TOLI-27684 PARCELA: MTV-01 CÓDIGO: A14- Nº COLECTA: 2388 COLECTORES: W.
López, W., López, W. (8341509)
core   +1 more source

Do the edge effects influence epicuticular wax production in Vismia guianensis (Aubl.) Choisy (Hypericaceae)?

open access: yesRevista Verde de Agroecologia e Desenvolvimento Sustentável, 2023
Forest fragmentation leads to various environmental problems. It causes edge effects that can decrease biodiversity, promote the growth of lianas, and affect the production of epicuticular wax.
Ramôn da Silva Santos   +5 more
doaj   +3 more sources

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