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A flora dos campos rupestres da Cadeia do Espinhaço
RESUMO Da exaltacao dos primeiros naturalistas aos estudos mais recentes em variabilidade genetica, os campos rupestres continuam surpreendendo a todos que a eles voltam seu olhar mais atentamente.Expand
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Phylogenetics of the New World Subtribes of Asclepiadeae (Apocynaceae—Asclepiadoideae): Metastelmatinae, Oxypetalinae, and Gonolobinae
Abstract Analysis of the trnT-trnL spacer, the trnL intron, the trnL-trnF spacer, and the rps16 intron of 106 species in 34 of the 45 genera of New World Asclepiadeae in the former subtribesExpand
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Amazon plant diversity revealed by a taxonomically verified species list
Significance Large floristic datasets that purportedly represent the diversity and composition of the Amazon tree flora are being widely used to draw conclusions about the patterns and evolution ofExpand
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Abstract Plastid sequences of trnL-F are used to estimate the age of biogeographical events in New World Asclepiadoideae. These data suggest that the subfamily arose somewhere in the Old World in theExpand
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The worrying future of the endemic flora of a tropical mountain range under climate change
Abstract Current global warming causes range changes and affects the distribution of species. Microendemics are the first affected and the most threatened by climate change. Here, we model theExpand
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Phylogenetics of South American Asclepiadoideae (Apocynaceae)
According to analyses of plastid DNA, New World Asclepiadoideae (Apocynaceae) fall into four clades; most species, however, are included in just one clade endemic to the New World that comprisesExpand
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Richness and endemism in Asclepiadoideae (Apocynaceae) from the Espinhaço Range of Minas Gerais, Brazil – a conservationist view
The Espinhaço Range, located in the states of Minas Gerais andBahia, has a type of vegetation with one of the highest degrees of endemism inBrazil: the campos rupestres. In this area,Expand
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The Tetramerium lineage (Acanthaceae: Justicieae) does not support the Pleistocene Arc hypothesis for South American seasonally dry forests.
PREMISE OF THE STUDY The Tetramerium lineage (Acanthaceae) presents a striking ecological structuring in South America, with groups concentrated in moist forests or in seasonally dry forests. In thisExpand
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Taxonomy "under construction": advances in the systematics of Apocynaceae, with emphasis on the Brazilian Asclepiadoideae
The Apocynaceae comprise approximately 5,000 species and are widely distributed. The family belongs to the Gentianales and can be easily recognized by the presence of latex and a style-head derivedExpand
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Two new species of Marsdenia R. Br. (Apocynaceae: Asclepiadoideae) from the semi-arid region of Brazil
SummaryTwo endangered new species of Marsdenia R. Br. (Asclepiadoideae, Apocynaceae) from the semi-arid region of Brazil are described and illustrated: M. breviramosa (south-western Bahia) and M.Expand
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