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Branched trichomes from Hibiscus. These may deter herbivory. The Red cells contain Anthocyanins. |
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These are trichomes on an Ohi'a Lehua leave seen with SEM. They can occur on both the upper (Adaxial) or lower (Abaxial) surfaces. They may constitute 40% of the leaf biomass! | ||
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The trichomes are birefringent in polarized light. This indicates that they have thick cell Walls. |
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Ohi'a lehua leaf lower surface. This is densely covered by Trichomes. | ||
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Ohi'a lehua leaf lower surface partly scraped. | ||
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Ohi'a lehua leaf lower surface completely scraped. These trichomes have ecophysiological significance! | ||
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