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Abaxial trichomes x010
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Abaxial trichomes x040
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Abaxial trichomes x100
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Adaxial trichomes x100; reddish newly emerging leaf.
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gravelly volcanic soil on low hillside of rhyolitic tuff.
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gravelly volcanic soil on low hillside of rhyolitic tuff.
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gravelly volcanic soil on low hillside of rhyolitic tuff.
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gravelly volcanic soil on low hillside of rhyolitic tuff.
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riparian corridor of small tributary of Rio Verde in narrow canyon cut in volcanic rhyolitic tuff. Plants in volcanic silts, coarse soils, mixed gravels and scattered large boulders of canyon bottomland.
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