G. Ionta

Publications24
h-index10
Citations235
Highly Influential Citations17
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PHYLOGENETIC RELATIONSHIPS IN PERIPLOCOIDEAE (APOCYNACEAE S.L.) AND INSIGHTS INTO THE ORIGIN OF POLLINIA1
Abstract Phylogenetic relationships within Periplocoideae (Apocynaceae s.l.) were investigated using sequence data from nuclear ribosomal DNA and two plastid regions: trnD-trnT and trnT-trnF. We… Expand
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Phylogenetic Relationships in Rhexia (Melastomataceae): Evidence from DNA Sequence Data and Morphology
In the large, pantropical family Melastomataceae, Rhexia is unique in having a temperate distribution. The species of Rhexia, the “meadow beauties,” are a common sight along roadsides and in open… Expand
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Phylogeny Reconstruction of Periplocoideae (Apocynaceae) based on Morphological and Molecular Characters and a Taxonomic Revision of Decalepis
Periplocoideae, a small but distinctive subfamily of Apocynaceae comprise 33 genera and ca. 195 species of mostly lianas, centered in the Old World tropics and subtropics, but also occurring in Old… Expand
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Floral elaiophores in Lockhartia Hook. (Orchidaceae: Oncidiinae): their distribution, diversity and anatomy.
BACKGROUND AND AIMS A significant proportion of orchid species assigned to subtribe Oncidiinae produce floral oil as a food reward that attracts specialized bee pollinators. This oil is produced… Expand
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Kappia lobulata (Apocynaceae, Periplocoideae), a new genus from South Africa
Abstract Kappia , a new genus from the Fish River Valley in the Eastern Cape Province, South Africa is presented. At first described as Raphionacme lobulata Venter and R.L.Verh. [Venter, H.J.T.,… Expand
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Human gallbladder carcinoma: Role of neurotrophins, MIB-1, CD34 and CA15-3
Gallbladder carcinoma is the most common biliary tract tumor and the fifth most common gastrointestinal tract cancer. The prognosis of gallbladder carcinoma is poor and less than 5% of the patients… Expand
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Using Population Genetic Data as a Tool to Identify New Species: Conradina cygniflora (Lamiaceae), a New, Endangered Species from Florida
Abstract Understanding species limits in recent radiations is often difficult because sufficient time may not have elapsed since speciation to allow for the accumulation of unique species-specific… Expand
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Tolmiea diplomenziesii: A new species from the Pacific Northwest and the diploid sister taxon of the autotetraploid T. menziesii (Saxifragaceae)
Tolmiea diplomenziesii, the diploid entity traditionally treated within a broadly circumscribed Tolmiea menziesii, is here formally described. Evidence is provided that this new species represents… Expand
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The diversity and evolution of pollination systems in large plant clades: Apocynaceae as a case study
Abstract Background and Aims Large clades of angiosperms are often characterized by diverse interactions with pollinators, but how these pollination systems are structured phylogenetically and… Expand
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Taxonomic studies in the Miconieae (Melastomataceae). X. Revision of the species of the Miconia crotonifolia complex
The systematics of Miconia angustilamina, M. crotonifolia, M. macrocarpa and M. umbellata, species traditionally considered within either Clidemia and Heterotrichum (M. angustilamina, M. umbellata)… Expand
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