Floral ontogeny of Cneorum tricoccon L. (Rutaceae)
نویسندگان
چکیده
منابع مشابه
Floral ontogeny of Ruteae (Rutaceae) and its systematic implications.
Floral development was investigated in Ruta graveolens and Psilopeganum sinense, representing two genera in the tribe Ruteae. Special attention was paid to the sequence of initiation of organ whorls in the androecium and gynoecium. The antepetalous stamens arise at the same level as the antesepalous stamens in both species. The carpels are antepetalous in both taxa, indicating the androecium in...
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Generic delimitation in the Beilschmiedia group of the Lauraceae remains ambiguous because flowering specimens of a few genera with confined distribution are poorly represented in herbaria, and a few floral characters important for taxonomy are still poorly known. Syndiclis is sporadically distributed in southwestern China, and is represented in the herbaria by only a few flowering specimens. W...
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The present study describes in vitro antimicrobial and antioxidant activities of methanol extracts obtained from the leaves and twigs of the plant Daphne cneorum L. The antimicrobial activity of these extracts was tested against human pathogenic microorganisms using a minimum inhibitory concentration (MIC) values. Total phenolics and flavonoids, as well as the antioxidant activity of the extrac...
متن کاملFloral ontogeny of Annonaceae: evidence for high variability in floral form.
BACKGROUND AND AIMS Annonaceae are one of the largest families of Magnoliales. This study investigates the comparative floral development of 15 species to understand the basis for evolutionary changes in the perianth, androecium and carpels and to provide additional characters for phylogenetic investigation. METHODS Floral ontogeny of 15 species from 12 genera is examined and described using ...
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The effect of population size on population genetic diversity and structure has rarely been studied jointly with other factors such as the position of a population within the species' distribution range or the presence of mutualistic partners influencing dispersal. Understanding these determining factors for genetic variation is critical for conservation of relict plants that are generally suff...
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ژورنال
عنوان ژورنال: Plant Systematics and Evolution
سال: 2006
ISSN: 0378-2697,1615-6110
DOI: 10.1007/s00606-005-0373-x