Results 31 to 40 of about 43,261 (289)

Metabolomics Studies on Asteraceae Family Plants to Find Cytotoxic Drug Candidates

open access: yesProceedings, 2019
Cancer is one of the major causes of death globally, which involves uncontrollable growth and spread of abnormal cells. Cytotoxic plant extracts may act on various cancer cells.
Ekrem Murat Gonulalan   +5 more
doaj   +1 more source

ASTERACEAE

open access: yesBothalia, 1998
A NOTE ON THE GENUS ...
openaire   +5 more sources

Floral shape and color impact heat accumulation and thermal stability of the floral microenvironment in a subalpine meadow

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise The floral thermal microenvironment impacts plant reproduction through its effects on gametophyte performance and plant–pollinator interactions. Color and shape are axes of floral variation that may mediate floral temperature because they affect the absorption and reflection of solar radiation, but their interactive effects are unclear.
Jennifer S. Apland   +2 more
wiley   +1 more source

On the occurrence of sonchuside A in Cicerbita alpina and its chemosystematic significance [PDF]

open access: yesJournal of the Serbian Chemical Society, 2005
The subaerial parts of Cicerbita alpina yielded the guaianolide 8-acetyl- 15β-D-glucopyranosyllactucin (1) and the germacranolide Sonchuside A (2). The sonchuside A is reported for the first time from the genus Cicerbita.
Zidorn Christian   +3 more
doaj   +1 more source

Characterization of <i>Verbesina encelioides</i> (Asteroideae, Asteraceae) Chloroplast Genome and Phylogenetic Insights. [PDF]

open access: yesEcol Evol
In this study, we report the first de novo assembled chloroplast genome of Verbesina encelioides, a member of the tribe Heliantheae within the subfamily Asteroideae of Asteraceae. ABSTRACT Verbesina encelioides (Cav.) Benth. & Hook.f. ex A.Gray (Asteroideae, Asteraceae) is a widespread annual herb native to southwestern North America that has ...
Yan R   +7 more
europepmc   +2 more sources

Temperature and the evolution of flower color: A review

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Flower colors brighten our natural world. How and why have they evolved? How might ongoing global warming alter their evolutionary trajectories? In this review, I examine the influence of ambient temperature on the evolution of flower color.
Elizabeth P. Lacey
wiley   +1 more source

Centaurea patula (Asteraceae), A Forgotten Species for the Flora of Iran [PDF]

open access: yesتاکسونومی و بیوسیستماتیک, 2018
Centaurea is one of the most complex and largest genera of the family Asteraceae in the World. It is mainly distributed in Europe, the Mediterranean region, and southwest Asia.
Kazem Negaresh
doaj   +1 more source

Assessing the viability of genebanked seeds from rare, wild plants native to the United States using the D.E.A.D. paradigm

open access: yesApplications in Plant Sciences, EarlyView.
Abstract Premise Genebanks must maintain viable seeds for decades. Seeds that germinate are clearly alive, but some seeds, often from wild populations, do not germinate because they are dormant, empty, aged, or damaged (D.E.A.D.). This work evaluates the effects of D.E.A.D.
Christina Walters   +33 more
wiley   +1 more source

Pharmacological characterization of Cirsium ligulare Boiss. (Asteraceae) herb decoction [PDF]

open access: yesVojnosanitetski Pregled, 2017
Background/Aim. Data on phytochemical and pharmacological investigations of genus Cirsium Mill. (Asteraceae) are scarce. Some data suggest that decoctions or infusions prepared from these plants are used in folk medicine as tonics, particularly in ...
Dobrić Silva   +4 more
doaj   +1 more source

The local paleoenvironment of Kalavan‐2 based on small‐vertebrate remains and its implications for human‐environment‐dynamics between 60 and 35 ka in the Armenian Highlands

open access: yesJournal of Quaternary Science, EarlyView.
ABSTRACT Kalavan‐2, a high‐altitude (∼1640 m a.s.l.) open‐air site in Armenia, preserves stratified Middle Paleolithic occupations with a rich small‐vertebrate record. Luminescence dating has placed site formation between ~60 and 45 ka, but without independent chronological control of the microvertebrate accumulation.
Dominik L. Rogall   +4 more
wiley   +1 more source

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