Taxonomic implications of diterpene alkaloids in three toxic tall larkspur species (Delphinium spp.) |
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| Institution: | 1. Pharmacological Research Center of Medicinal Plants, Mashhad University of Medical Sciences, Mashhad, Iran;3. Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran;4. Department of Pharmaceutical Sciences in Persian Medicine, School of Persian and Complementary Medicine, Mashhad University of Medical Sciences, Azadi Sq, Vakil Abad Highway, Mashhad 9177899191, Iran;1. Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou 510405, PR China;2. Tibetan Traditional Medical College, Lasa 850000, PR China;3. The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, PR China |
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| Abstract: | The diterpene alkaloid content was used to assess the chemical taxonomic diversity in three larkspur species. Samples (n=163) were collected from 18 different locations in five western states, extracted and analyzed for diterpene alkaloids using electrospray mass spectrometry. The data were statistically analyzed using canonical discriminant analysis and analysis of variance. Delphinium glaucum samples were easily grouped and were significantly different from all other groups (P<0.005) for two compounds. Delphinium barbeyi and Delphinium occidentale were found to be distinct groups, but more closely related. Samples representing a putative hybrid between D. barbeyi and D. occidentale were found to be closely related to D. occidentale, but were significantly different from all other groups. These data support the classification of D. glaucum, D. barbeyi, and D. occidentale as distinct species and suggest that a possible hybrid is more similar to D. occidentale than D. barbeyi. |
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