Leaves of Larix leptolepis trees and seedlings were examined for flavonoids and for wax constituents by high-performance liquid chromatography or by gas chromatography. Within the species, due to differences in genotype, there is a great variability in the chemical composition of the flavonoids but less in that of the wax constituents of the needles.
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Niemann et al. (1978) studied this question.
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