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Traditional uses, chemistry and pharmacology of Croton species (Euphorbiaceae)
Croton is a genus of Euphorbiaceae comprising around 1,300 species, widespread in tropical regions of the Old and New Worlds. Several species have a long role in the traditional use of medicinalExpand
Phylogeny of Rutaceae based on twononcoding regions from cpDNA.
Primarily known only by the edible fruits of Citrus, Rutaceae comprise a large (c. 160 genera and 1900 species), morphologically diverse, cosmopolitan family. Of its extraordinary array of secondaryExpand
Generic relationships and dating of lineages in Winteraceae based on nuclear (ITS) and plastid (rpS16 and psbA-trnH) sequence data.
Phylogenetic analyses of representative species from the five genera of Winteraceae were performed using ITS nuclear sequences and a combined data-set of ITS+psbA-trnH+rpS16 sequences, suggesting that the earliest divergences within Winteraceae could have predated the first events of Gondwana fragmentation. Expand
Phylogenetic Analyses of Eriotheca and Related Genera (Bombacoideae, Malvaceae)
Molecular and morphological data have shown that Bombacoideae and Malvoideae together form a well-supported Malvatheca clade, and Parsimony and Bayesian analyses of individual and combined sequence data suggest that Eriotheca is not monophyletic as currently circumscribed but forms a paraphyletic grade containing Pachira s. Expand
Alkanes of foliar epicuticular waxes from five cycad genera in the Zamiaceae
The n-alkane distribution patterns from 31 specimens in the meso-American cycad genera Ceratozamia, Dioon, Zamia and two Australian taxa provide evidence for a monophyletic origin of the Zamiaceae and distinguishes the cycads chemotaxonomically from other gymnosperms and from angiosperms. Expand
Distribution of metabolites in galled and non-galled foliar tissues of Tibouchina pulchra
The high lipid content of the galls suggests that such substances represent the main energy source for the insect, and suggests that the studied galls could be classified as cynipid galls. Expand
Hydrocarbons and monoesters of propolis waxes from Brazil
Cette observation suggere que les hydrocarbures et les esters des cires de propolis ne representent pas un caractere taxonomique fiable au niveau de l'espece pour les populations d'Apis mellifera du Bresil. Expand
Alkanes of foliar epicuticular waxes of the genus Encephalartos
Abstract The n -alkane distribution patterns in the epicuticular leaf wax of 42 taxa of Encephalartos , a major genus of Cycadales, are reported from GC analyses. Three chemical groups areExpand
Comb and propolis waxes from Brazil (states of São Paulo and Paraná)
Samples of propolis and comb waxes of Apis mellifera were analyzed. Monoesters predominated, followed by hydrocarbons. The constituents were identified by gas chromatography/mass spectrometry. WideExpand