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In an analysis of sugars, amino acids, and other substances (lipids, antioxidant organic acids, phenolics, alkaloids, proteins) of nectar, the hybrid Erythrina X bidwillii showed a quantitative intermediacy and qualitative additiveness in amino acids compared to its parents, E. herbacea and E. crista-galli, and intermediacy in sugars and the other compounds.
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Baker et al. (1979) studied this question.
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