Distribution and habitat preferences of Polygonum arenarium subsp. arenarium (Polygonaceae) in Slovakia
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The karyotype of Nothoscordum arenarium Herter (Gilliesioideae, Alliaceae): A populational and cytomolecular analysis
The genus Nothoscordum Kunth comprises approximately 20 species native to South America. Karyologically, the genus is remarkable for its large chromosomes and Robertsonian translocations. Variation in chromosome number has been recorded in a few polyploid species and it is unknown among diploids. This study presents the chromosome number and morphology of 53 individuals of seven populations of ...
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– The achene morphology of 20 taxa in five sections of Polygonum s.l. from Thailand was studied and compared in detail using stereoscopic light and scanning electron microscopy. The achene of all Thai taxa is typically lenticular or triangular in shape. Three different morphological types are described according to the features of the achene surface; smooth-undulate, a star-like form and reticu...
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The aim of this study was to determine the antimicrobial effect of Helichrysum arenarium L. essential oil in "invitro" condition on the growth of seven microbial species including Bacillus subtilis, Escherichia coli, Staphylococcus aureus, Saccharomyces cereviciae, Candida albicans, Aspergillus flavus and Aspergillus parasiticus using micro-dilution method. The minimum inhibitory concentration ...
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متن کاملOn the structure of peuarenarine, a new coumarin from Peucedanum arenarium.
Three new natural coumarin substances 1, 2 and 3 (derivatives of 2',2'-dimethyl-3',4'-dihydroxydihydropyrano-5',6':6,7-coumarin) were isolated from the roots and fruits of Peucedanum arenarium W.K. On the basis of the spectral data from UV, IR, and NMR spectra of coumarin 1, named peuarenarine, it was assumed, that, it is an ester of 2',2'-dimethyl-3',4'-dihydroxy-dihydropyrano5',6' :6,7-coumar...
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ژورنال
عنوان ژورنال: Plant and Fungal Systematics
سال: 2018
ISSN: 2544-7459
DOI: 10.2478/pfs-2018-0004