Molecular systematics and remodelling of Chirita and associated genera (Gesneriaceae)
- A. Weber, D. Middleton, M. Möller
- Biology
- 1 June 2011
The polyphyletic genus Chirita is remodelled after an extensive molecular phylogenetic study of species assigned to it and to other associated genera and a general list showing the present accommodation of the species previously described under ChiritA, Chiritopsis, Hemiboeopsis, Primulina and Wentsaiboea is provided.
A new delineation for Oreocharis incorporating an additional ten genera of Chinese Gesneriaceae
- M. Möller, D. Middleton, K. Nishii, Yigang Wei, S. Sontag, A. Weber
- Biology
- 16 May 2011
Oreocharis provides an excellent example of a major monophyletic group that has experienced a rapid radiation early in its evolution and shows manifold convergences in floral characters, apparently reflecting different pollination strategies, but has little variation in vegetative habit and fruit structure.
Keel flowers of the Polygalaceae and Fabaceae: a functional comparison
- C. Westerkamp, A. Weber
- Environmental Science
- 1 March 1999
A comparison between Polygalaceae and Fabaceae flowers reveals a wealth of functional congruences with regard to visual attraction, flower mechanics, presence of special contrivances such as tongue guide, foot handles, pollen cache, etc., pollen presentation and nectar storage.
Phylogenetic position and generic differentiation of Epithemateae (Gesneriaceae) inferred from plastid DNA sequence data.
The systematic position and generic differentiation of the morphologically and geographically outstanding tribe Epithemateae (Gesneriaceae) was analyzed using the rbcL/atpB-spacer and trnL-F intron-Spacer regions of chloroplast DNA and the results are in perfect accordance with the relationships worked out earlier on grounds of architectural and floral characters.
A preliminary phylogeny of the 'didymocarpoid Gesneriaceae' based on three molecular data sets: Incongruence with available tribal classifications.
- M. Möller, M. Pfosser, A. Weber
- BiologyAmerican-Eurasian journal of botany
- 1 May 2009
It is shown that all available classifications in Old World Gesneriaceae are artificial and do not reflect natural relationships, and consistent topological relationships can be retrieved from data sets with missing data using subsamples and different combinations of gene sequences.
Reconstructing the origin and elaboration of insect-trapping inflorescences in the Araceae.
- D. Bröderbauer, A. Diaz, A. Weber
- BiologyAmerican-Eurasian journal of botany
- 1 October 2012
Trap pollination in the Araceae is more common than was previously thought and preadaptations such as papillate cells or elongated sterile flowers facilitated the evolution of inflorescence traps.
A molecular phylogenetic assessment of the advanced Asiatic and Malesian didymocarpoid Gesneriaceae with focus on non-monophyletic and monotypic genera
- M. Möller, A. Forrest, Yigang Wei, A. Weber
- BiologyPlant Systematics and Evolution
- 25 February 2011
The present study forms the foundation for targeted molecular, morphological and phytogeographic studies of the polyphyletic and monotypic genera and particular of clades of genera with interrelations uncovered here for the first time.
A new definition of the genus Petrocodon (Gesneriaceae)
- A. Weber, Yigang Wei, C. Puglisi, F. Wen, V. Mayer, M. Möller
- Biology
- 16 May 2011
It is shown here that the (6-7) species of Lagarosolen, the monotypic Dolicholoma, a few species of Didymocarpus, and a number of new species that have recently been published (but not formally described) under Petrocodon and LagarOSolen should be included in this genus.
Inclusion of Metabriggsia into Hemiboea (Gesneriaceae)
- A. Weber, Yigang Wei, S. Sontag, M. Möller
- Biology
- 16 May 2011
Based on molecular data and morphology, Metabriggsia is reduced to synonymy with Hemiboea and its two species transferred to that genus.
Seed Morphology of Nigella s.l. (Ranunculaceae): Identification, Diagnostic Traits, and Their Potential Phylogenetic Relevance
- Andreas G Heiss, M. Kropf, S. Sontag, A. Weber
- BiologyINTERNATIONAL JOURNAL PLANT SCIENCES
- 1 February 2011
A comprehensive morphological and anatomical analysis was carried out on seeds of all 15 species currently recognized in the genus Nigella, and analyses using maximum parsimony and character mapping onto a DNA-based phylogeny suggest that seed characters will be useful for ongoing phylogenetic studies in the species.
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