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Light micrographs of trichomes on the leaf, stem, and hypocotyl of WT and hl plants. Photographs show the adaxial leaf surface (upper row), stem (middle row), and hypocotyl (lower row) of each genotype. Arrows indicate representative type I trichomes. Scale bar, 2mm. Three-week-old plants were used for all photographs. (This figure is available in color at JXB online.)
