Results 51 to 60 of about 20,345 (253)

Narcissus × caramulensis (Amaryllidaceae), a new hybrid for the portuguese flora

open access: yesAnales del Jardín Botánico de Madrid, 2007
We describe Narcissus × caramulensis P. Ribeiro, Paiva & Freitas, a new natural hybrid of Narcissus cyclamineus DC. and N. bulbocodium L. subsp. bulbocodium, collected in the Caramulo Mountains (Beira Alta, Central Portugal), is described.
Pedro Ribeiro   +2 more
doaj   +1 more source

Pharmacological and toxicological effects of Amaryllidaceae

open access: yesBrazilian Journal of Biology, 2023
The Amaryllidaceae family is widely distributed in the tropics, presenting biological activity attributed mostly to alkaloids, such as an important inhibitory activity of acetylcholinesterase (AChE), antifungal, antibacterial, and cytotoxic activities ...
M. J. M. Paiva   +4 more
doaj   +1 more source

Alkaloid Composition and Biological Activities of the Amaryllidaceae Species Ismene amancaes (Ker Gawl.) Herb.

open access: yesPlants, 2022
Natural products have always played a significant role in the search for new drugs. One of the most relevant alkaloid-containing plant groups is the Amaryllidaceae family, a source of exclusive structures with a wide variety of pharmacological activities.
Marilú Roxana Soto-Vásquez   +3 more
semanticscholar   +1 more source

Testing robustness of relative complexity measure method constructing robust phylogenetic trees for Galanthus L. Using the relative complexity measure [PDF]

open access: yes, 2013
Background: Most phylogeny analysis methods based on molecular sequences use multiple alignment where the quality of the alignment, which is dependent on the alignment parameters, determines the accuracy of the resulting trees.
Bakis, Yasin   +11 more
core   +2 more sources

Amaryllidaceae Alkaloid Cherylline Inhibits the Replication of Dengue and Zika Viruses

open access: yesAntimicrobial Agents and Chemotherapy, 2021
Dengue fever, caused by dengue virus (DENV) is the most prevalent arthropod-borne viral disease and is endemic in many tropical and subtropical parts of the world, with an increasing incidence in temperate regions.
Seydou Ka   +13 more
semanticscholar   +1 more source

Production and antioxidant capacity of tissue cultures from four Amaryllidaceae species [PDF]

open access: yes, 2017
The aim of this study was (i) to produce tissue cultures capable of efficient plant regeneration from European naturally occurring protected and/or pharmacologically important Amaryllidaceae species and (ii) to test them for antioxidant activities in ...
Ajtay, Kitti   +7 more
core   +3 more sources

Amaryllidaceae

open access: yesBothalia, 2001
A NEW SPECIES OF CYRTANTHUS (CYRTANTHEAE) FROM THE SOUTHERN CAPE, SOUTH ...
  +5 more sources

Complete chloroplast genomes shed light on phylogenetic relationships, divergence time, and biogeography of Allioideae (Amaryllidaceae)

open access: yesScientific Reports, 2021
Allioideae includes economically important bulb crops such as garlic, onion, leeks, and some ornamental plants in Amaryllidaceae. Here, we reported the complete chloroplast genome (cpDNA) sequences of 17 species of Allioideae, five of Amaryllidoideae ...
J. Namgung   +4 more
semanticscholar   +1 more source

Can phylogeny predict chemical diversity and potential medicinal activity of plants? A case study of amaryllidaceae [PDF]

open access: yes, 2012
Background During evolution, plants and other organisms have developed a diversity of chemical defences, leading to the evolution of various groups of specialized metabolites selected for their endogenous biological function.
Birkholm, Trine   +11 more
core   +3 more sources

The Genus Nerine Herb. (Amaryllidaceae): Ethnobotany, Phytochemistry, and Biological Activity

open access: yesMolecules, 2019
Nerine Herbert, family Amaryllidaceae, is a genus of about 30 species that are native to South Africa, Botswana, Lesotho, Namibia, and Swatini (formerly known as Swaziland). Species of Nerine are autumn-flowering, perennial, bulbous plants, which inhabit
Lucie Cahlíková   +6 more
doaj   +1 more source

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