Complex sentence: In 1848 Christian von Steven described another taxon with yellow petals under the same specific name, "P. wittmanniana" Steven, that had been collected at Atskhu, Meskheti Province, in Georgia.
Split into simpler sentences: In 1848 Christian von Steven described another taxon with yellow petals under the same specific name "P. wittmanniana" Steven. It had been collected at Atskhu, Meskheti Province, in Georgia.