@article {gottschling_characterisation_2004, title = {Characterisation of a novel fruit type found in Ehretia (Ehretiaceae, Boraginales)}, journal = {{BLUMEA}}, volume = {49}, number = {1}, year = {2004}, pages = {145{\textendash}153}, author = {Marc Gottschling and HH Hilger} } @article {gottschling_first_2003, title = {First fossil record of transfer cells in angiosperms}, volume = {90}, number = {6}, year = {2003}, pages = {957{\textendash}959}, author = {Marc Gottschling and HH Hilger} } @article {gottschling_phylogenetic_2001, title = {Phylogenetic analysis and character evolution of Ehretia and Bourreria (Ehretiaceae, Boraginales) and their allies based on {ITS1} sequences}, volume = {123}, number = {2}, year = {2001}, pages = {249{\textendash}268}, keywords = {Boraginales 2013}, author = {Marc Gottschling and HH Hilger} } @article {gottschling_testing_2004, title = {Testing hypotheses on disjunctions present in the primarily woody Boraginales: Ehretiaceae, Cordiaceae, and Heliotropiaceae, inferred from ITS1 sequence data}, journal = {Int. J. Plant Sci.}, volume = {165}, number = {4 Suppl.}, year = {2004}, pages = {S123{\textendash}S135}, abstract = {

Hypotheses on the origin of the current distribution patterns and bicontinental disjunctions of Cordiaceae, Ehretiaceae, and Heliotropiaceae (Primarily Woody Boraginales) are tested by pairwise comparison of Kimura two-parameter distances. Estimated absolute dates of fossils and geological events (plate tectonics, climate changes) were used to calibrate a molecular clock. A mid-Cretaceous origin of the Primarily Woody Boraginales is proposed with an initial diversification in South America. Plate tectonics appear to play a minor role in their phylogeography. Most disjunctions are best explained by the rare events of long-distance dispersal because of the widespread occurrence of drupaceous fruits and their potential for endozoochoria. Furthermore, migrations and extinctions might have played a considerable role in the formation of the current distribution patterns.

}, keywords = {{ITS1}, distribution, divergence rate, Kimura two-parameter distances, long-distance dispersal, paleoclimate, phylogeography, vicariance.}, author = {Marc Gottschling and Diane, N and HH Hilger and M. Weigend} } @article {hilger_euro+med_2005, title = {The {Euro+Med} treatment of Boraginaceae in Willdenowia 34 - a response}, journal = {Willdenowia}, volume = {35}, year = {2005}, pages = {43{\textendash}48}, author = {HH Hilger and Marc Gottschling and Federico Selvi and Bigazzi, M. and E. Langstr{\"o}m and Zippel, E. and Diane, N. and M. Weigend} } @article {gottschling_congruence_2005, title = {Congruence of a phylogeny of Cordiaceae (Boraginales) inferred from {ITS1} sequence data with morphology, ecology, and biogeography}, volume = {92}, year = {2005}, pages = {425{\textendash}437}, keywords = {Boraginales 2013}, author = {Marc Gottschling and Miller, JS and M. Weigend and HH Hilger} } @article {gottschling_systematic_2002, title = {The systematic position of Ehretia fossils (Ehretiaceae, Boraginales) from the European Tertiary and implications for character evolution}, volume = {121}, number = {2}, year = {2002}, pages = {149{\textendash}156}, author = {Marc Gottschling and Mai, D.H. and HH Hilger} } @article {gottschling_systematic_2004, title = {The systematic position of Ehretia cortesia nom. nov. (= Cortesia cuneifolia: Ehretiaceae, Boraginales) inferred from molecular and morphological data}, journal = {Taxon}, volume = {53}, number = {4}, year = {2004}, pages = {919{\textendash}923}, abstract = {

The systematic position of Argentinean Cortesia cuneifolia (Ehretiaceae, Boraginales) is investigated based both on morphological and on ITS1 sequence data. Inferred from a molecular phylogeny, monotypic Cortesia is not isolated from other taxa of Ehretiaceae as previously suggested, but is nested within Ehretia. Cortesia shares a two-parted endocarp with the Ehretia II subclade (including Ehretia microphylla ), which is considered as a derived condition within Ehretiaceae and is the most striking indication for a close relationship of the two. ITS1 sequence data and specialised leaf morphology suggest that Ehretia microphylla is probably the sister species of Cortesia cuneifolia, for which a new name is proposed: Ehretia cortesia.

}, keywords = {Boraginales 2013}, author = {Marc Gottschling and HH Hilger} }