Results 11 to 20 of about 6,194 (217)

Phylogenetic Relatedness Determines Heterospecific Pollen-Pistil Compatibility and Reproductive Outcome in the Apocarpous Species <i>Sagittaria trifolia</i> (Alismataceae). [PDF]

open access: yesEcol Evol
This study investigates heterospecific pollen (HP) effects in Sagittaria trifolia, an apocarpous plant with an extragynoecial compitum. HP–pistil compatibility and resulting seed set reduction were greatest from phylogenetically close donors, not influenced by origin or pollen traits.
Zou SY   +5 more
europepmc   +2 more sources

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

Gene loss, genome rearrangement, and accelerated substitution rates in plastid genome of Hypericum ascyron (Hypericaceae)

open access: yesBMC Plant Biology, 2022
Background Comparative genomic analysis exhibits dynamic evolution of plastid genome (plastome) in the clusioid clade of Malpighiales, which comprise five families, including multiple inversions and gene losses.
Sivagami-Jean Claude   +2 more
doaj   +1 more source

In vitro antibacterial-antibiofilm effect of Hypericum atomarium Boiss and chemical composition [PDF]

open access: yesBrazilian Journal of Pharmaceutical Sciences, 2023
Treatment with plant is considered an effective option against increased antibiotic resistance. In this study antibiofilm activity of methanol (CH3OH), chloroform (CHCl3), ethyl acetate (EtOAc) and water (H2O) extracts of Hypericum atomarium Boiss. which
Ebru Önem   +2 more
doaj   +1 more source

Hyperoside: A Review of Its Structure, Synthesis, Pharmacology, Pharmacokinetics and Toxicity

open access: yesMolecules, 2022
Hyperoside is an active ingredient in plants, such as Hypericum monogynum in Hypericaceae, Crataegus pinnatifida in Rosaceae and Polygonum aviculare in Polygonaceae.
Sijin Xu   +4 more
doaj   +1 more source

BIOLOGICAL ACTIVITY OF HYPERICUM PERFORATUM L. (HYPERICACEAE): A REVIEW

open access: yesФармация и фармакология (Пятигорск), 2021
Hypericum perforatum L. (St. John's wort) is a medicinal plant that has been intensivly studied by clinicians, pharmacologists, and chemists. It has resulted in the publication of both original articles and a number of, reviews devoted to the general ...
A. L. Budantsev   +3 more
doaj   +1 more source

Two new records of endemic and endangered angiosperms in Santa Catarina, Brazil [PDF]

open access: yesCheck List, 2015
The two endemic, endangered species, Bacch­aris hypericifolia (Asteraceae) and Hypericum salvadorense (Hypericaceae), were known only for the Rio Grande do Sul state, in Brazil.
Cleusa Vogel Ely, Ilsi Iob Boldrini
doaj   +3 more sources

Hypericum spp. St. John's Wort

open access: yesEDIS, 2007
This document provides an overview of Hypericum spp., commonly known as St. John’s wort. It describes the plant’s characteristics, including its yellow flowers, dark green foliage, and moderate growth rate.
Edward Gilman
doaj   +1 more source

Pleomorphic Dematiomelanomma yunnanense gen. et sp. nov. (Ascomycota, Melanommataceae) from grassland vegetation in Yunnan, China [PDF]

open access: yesMycoKeys, 2023
During a survey of microfungi associated with grasslands and related vegetation types from Yunnan Province in China, various ascomycetous and coelomycetous fungi were isolated.
Ying Gao   +11 more
doaj   +3 more sources

Ethnomedicine of the Kagera Region, north western Tanzania. Part 3: plants used in traditional medicine in Kikuku village, Muleba District. [PDF]

open access: yes, 2012
BACKGROUND\ud \ud The Kagera region of north western Tanzania has a rich culture of traditional medicine use and practice. Traditional medicines are the mainstay of healthcare in this region and are known to support the management of many illnesses such ...
Moshi, Mainen J   +2 more
core   +2 more sources

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