Abstract
Lipids were isolated from the elaiosomes of four ant-dispersed herbaceous plants ( Jeffersonia diphylla, Sanguinaria canadensis, Trillium sessile, Dicentra cucullaria) found in Northern Virginia. Fatty acid methyl esters and trimethysilyl derivatives of diacylglycerols were separated and identified by capillary GC/MS. Oleic acid and palmitic acid are significant components of the lipid fractions from all four species, and 1,2-diolein is the major diacylglycerol of Jeffersonia diphylla. These results support previous studies which had found oleic acid in elaiosomes and suggested 1,2-diolein to be an ant attractant.
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