Results 71 to 80 of about 2,076 (205)

Esporogénesis, esporodermo y ornamentaciónde esporas maduras en Lycopodiaceae

open access: yesRevista de Biología Tropical, 2014
Estudios sobre aspectos reproductivos, morfología y ultraestructura de las esporas de Lycopodiaceae no son abundantes en la literatura científica y constituyen información esencial para apoyar las relaciones taxonómicas y sistemáticas en el grupo. Con el
Edgar Javier Rincón Baron   +4 more
doaj  

Traditional Chinese medicines and Alzheimer’s disease

open access: yesTaiwanese Journal of Obstetrics & Gynecology, 2011
Traditional Chinese medicines have been widely investigated for the treatment of Alzheimer’s disease (AD) because none of the current therapies—either the cholinesterase inhibitors or antagonist of N-methyl-d-aspartate receptors—has profound effects on ...
Tzong-Yuan Wu   +2 more
doaj   +1 more source

A taxonomic revision of Phlegmariurus Holub (Lycopodiaceae) from China

open access: yesGuangxi Zhiwu, 2023
Plants of the lycophyte genus Phlegmariurus contain the chemical compound Huperzine A, the effective medicinal component treating Alzheimer's disease, thus with huge economic value.
Rihong JIANG   +2 more
doaj   +1 more source

Taxonomic corrections and new records for vascular plants of Kyrgyzstan, 6

open access: yesNordic Journal of Botany, Volume 2025, Issue 9, September 2025.
A series of notes on taxonomy, nomenclature, morphology and distributions of native species of vascular plants in Kyrgyzstan is presented. Anaphalis roseoalba is treated as a synonym of A. virgata; Hippolytia herderi and H. megacephala are new synonyms of H. senecionis; Hippolytia darvasica and H. schugnanica are new synonyms of H. tomentosa; Campanula
Alexander N. Sennikov   +4 more
wiley   +1 more source

Huperzia saururus increases memory retention in rats

open access: yesJournal of Ethnopharmacology, 2007
Huperzia saururus is reported in Argentinean popular medicine as a memory improver. Chemical studies have shown that the main constituents of the species are Lycopodium alkaloids. On the basis of this information, a purified alkaloid extract was obtained by alkaline extraction of the aerial parts.
Vallejo, Mariana Guadalupe   +5 more
openaire   +3 more sources

Drivers of plant community composition and diversity in low Arctic western Greenland

open access: yesEcography, Volume 2025, Issue 8, August 2025.
The Arctic experiences rapid climate change, but our ability to predict how this will influence plant communities is hampered by a lack of data on the extent to which different species are associated with particular environmental conditions, how these conditions are interlinked, and how they will change in coming years.
Jacob Nabe‐Nielsen   +2 more
wiley   +1 more source

Huperzia miyoshiana Ching

open access: yes
Huperzia miyoshiana (Makino) Ching Distribution Heilongjiang Province: Harbin City, Ning'an City, Qiqihar City, Yichun City (Wang et al. 2022). Jilin Province: Linjiang City, Antu County, Fusong County, Changbai Korean Autonomous County, Jingyu County (Zhang and Kong 1998, Chinese Virtual Herbarium 2025, National Specimen Information Infrastructure ...
Sui, Yuzhu, Wang, Hongfeng
openaire   +2 more sources

The complete chloroplast genome sequence of Phlegmariurus carinatus

open access: yesMitochondrial DNA. Part B. Resources, 2019
The first complete chloroplast genome (cpDNA) sequence of Phlegmariurus carinatus was determined from Illumina HiSeq pair-end sequencing data in this study.
Ting Luo   +3 more
doaj   +1 more source

Comparison of 454-ESTs from Huperzia serrata and Phlegmariurus carinatus reveals putative genes involved in lycopodium alkaloid biosynthesis and developmental regulation

open access: yesBMC Plant Biology, 2010
Background Plants of the Huperziaceae family, which comprise the two genera Huperzia and Phlegmariurus, produce various types of lycopodium alkaloids that are used to treat a number of human ailments, such as contusions, swellings and strains.
Steinmetz André   +7 more
doaj   +1 more source

Vegetation and environmental dynamics in the central part of the Kola Peninsula during the past 13.3 ka as reflected by ancient plant DNA on sediments from Lake Imandra

open access: yesJournal of Quaternary Science, Volume 40, Issue 6, Page 1070-1096, August 2025.
ABSTRACT The first high‐resolution reconstruction of the vegetation and environmental changes during the last ca 13 300 cal a BP in the central part of the Kola Peninsula (NW Russia) was reconstructed based on sedimentary ancient DNA (sedaDNA) metabarcoding on sediment core Co1410 from Lake Imandra.
Anastasia Poliakova   +5 more
wiley   +1 more source

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