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Results 61 to 70 of about 867 (144)

Taxonomic significance of inflorescences, floral morphology and anatomy in Passerina (Thymelaeaceae)

Bothalia: African Biodiversity & Conservation, 2001
Comparative studies were undertaken on the inflorescence, bracts and floral morphology of all taxa of the genus Passerina L. in southern Africa. Information is given in tabular form and a key based on bract morphology is presented.Floral morphology ...
C. L. Bredenkamp, A. E. van Wyk
doaj +1 more source

Transcriptomic immune response of the cotton stainer Dysdercus fasciatus to experimental elimination of vitamin-supplementing intestinal symbionts. [PDF]

PLoS ONE, 2014
The acquisition and vertical transmission of bacterial symbionts plays an important role in insect evolution and ecology. However, the molecular mechanisms underlying the stable maintenance and control of mutualistic bacteria remain poorly understood ...
Eugen Bauer +4 more
doaj +1 more source

Identification of clerodane diterpene modifying cytochrome P450 (CYP728D26) in Salvia divinorum ‐ en route to psychotropic salvinorin A biosynthesis

Physiologia Plantarum, Volume 176, Issue 5, September/October 2024.
Abstract Salvia divinorum is a hallucinogenic plant native to the Oaxaca in Mexico. The active ingredient for psychotropic effects in this plant is salvinorin A, a potent and highly selective κ‐opioid receptor agonist. Salvinorin A is distinct from other well‐known opioids, such as morphine and codeine, in that it is a non‐nitrogenous diterpenoid with ...
Iris Ngo +5 more
wiley +1 more source

The last stand: Demographic and population genomic analysis reveals terminal endangerment in tropical timber species Vatica guangxiensis

Conservation Letters, Volume 17, Issue 4, July/August 2024.
Abstract Tropical and subtropical trees provide key ecosystem services but are facing global population decline due to logging, habitat degradation, land conversion, and climate change. Vatica guangxiensis used to be a characteristic timber species of China's tropical forests but is now terminally endangered (280 individuals) and fragmented into three ...
Wenji Luo +5 more
wiley +1 more source

Angiosperm diversity in Bhadrak region of Odisha, India

Journal of Threatened Taxa, 2020
We present the information about angiosperm species in Bhadrak District of Odisha, India. In so doing, we assess the state of floristic knowledge across ecoregions of the district and pinpoint our understanding of the district flora.
Taranisen Panda +4 more
doaj +1 more source

Geography and ecology shape the phylogenetic composition of Amazonian tree communities

Journal of Biogeography, Volume 51, Issue 7, Page 1163-1184, July 2024.
Abstract Aim Amazonia hosts more tree species from numerous evolutionary lineages, both young and ancient, than any other biogeographic region. Previous studies have shown that tree lineages colonized multiple edaphic environments and dispersed widely across Amazonia, leading to a hypothesis, which we test, that lineages should not be strongly ...
Bruno Garcia Luize +216 more
wiley +1 more source

New occurrence and expanded geographic distribution of Byttneria irwinii (Malvaceae, Byttnerioideae) in Central Brazil [PDF]

Rodriguésia
Byttneria irwinii (Malvaceae, Byttnerioideae) is a species primarily restricted to Cerrado vegetations in Central Brazil, yet it remains poorly represented in herbarium collections.
Matheus Colli-Silva +3 more
doaj +1 more source

Genome‐wide association identifies a BAHD acyltransferase activity that assembles an ester of glucuronosylglycerol and phenylacetic acid

The Plant Journal, Volume 118, Issue 6, Page 2169-2187, June 2024.
SUMMARY Genome‐wide association studies (GWAS) are an effective approach to identify new specialized metabolites and the genes involved in their biosynthesis and regulation. In this study, GWAS of Arabidopsis thaliana soluble leaf and stem metabolites identified alleles of an uncharacterized BAHD‐family acyltransferase (AT5G57840) associated with ...
Jeffrey P. Simpson +5 more
wiley +1 more source

The complete chloroplast genome sequence of Citrus sinensis (L.) Osbeck var 'Ridge Pineapple': organization and phylogenetic relationships to other angiosperms

BMC Plant Biology, 2006
Background The production of Citrus, the largest fruit crop of international economic value, has recently been imperiled due to the introduction of the bacterial disease Citrus canker.
Jansen Robert K +4 more
doaj +1 more source

Identifying predictors of translocation success in rare plant species

Conservation Biology, Volume 38, Issue 2, April 2024.
Abstract The fundamental goal of a rare plant translocation is to create self‐sustaining populations with the evolutionary resilience to persist in the long term. Yet, most plant translocation syntheses focus on a few factors influencing short‐term benchmarks of success (e.g., survival and reproduction).
Joe Bellis +43 more
wiley +1 more source

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