Wandee GritsanapanWilliam J. GriffinMahidol UniversityUniversity of Queensland2018-08-102018-08-101991-01-01Phytochemistry. Vol.30, No.8 (1991), 2667-2669003194222-s2.0-0007737613https://repository.li.mahidol.ac.th/handle/20.500.14594/21974Duboisia myoporoides leaves were collected from differing localities in Queensland representing high and low altitudes in semitropical and tropical regions. In almost all collections, scopolamine was the major alkaloid and there was a segregation towards pyridine alkaloids at subtropical latitudes. The presence of a distinct pyridine variety at Acacia Plateau was confirmed. © 1991.Mahidol UniversityAgricultural and Biological SciencesBiochemistry, Genetics and Molecular BiologyArticleSCOPUS10.1016/0031-9422(91)85120-O