New evidence for the systematic significance of acylated spermidines and flavonoids in pollen of Higher Hamamelidae |
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| Authors: | Barbara Meurer-Grimes |
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| Institution: | 1. Department of Biological Sciences, Lehman College, The City University of New York, 10458, Bronx, NY, U.S.A.
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| Abstract: | New distributional recores of hydroxycinnamoyl spermidines (HCS), including novel trisubstituted HCSs and flavonol glycosides,
in pollen of Higher Hamamelidae are presented. The 51 taxa analyzed by HPLC and TLC included members of the families Fagaceae
(Castanoideae, Fagoideae, Quercoideae), Betulaceae, Juglandaceae, Myricaceae, Hamamelidaceae, Rosaceae, and Buxaceae (Simmondsia). The results support generic concepts in the Higher Hamamelidae derived from morphological and chloroplast DNA data and
support a close evolutionary relationship between the Higher Hamamelidae and the Rosidae. |
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| Keywords: | phenolic hydroxycinnamic acid spermidine flavonol glycosides pollen chemosystematics Fagales Rosidae Higher Hamamelidae |
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