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plants in shallow calcareous soils and gravels on low hillside slope of white blocky Cretaceous limestone. Site represents an extreme eastern outlier of Chihuahuan Desert flora (Agave lechuguilla present) in transition to upland Tamaulipan brushland of Rio Grande plains.
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scattered population of twiggy canescent shrubs displaying larger than normal flowers, pale to deeper blue-lavender in color as well as shades of white and pink, on open rocky exposures of platy, calcareous Cretaceous limestone.
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scattered population of twiggy canescent shrubs displaying larger than normal flowers, pale to deeper blue-lavender in color as well as shades of white and pink, on open rocky exposures of platy, calcareous Cretaceous limestone.
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scattered population of twiggy canescent shrubs displaying larger than normal flowers, pale to deeper blue-lavender in color as well as shades of white and pink, on open rocky exposures of platy, calcareous Cretaceous limestone.
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scattered population of twiggy canescent shrubs displaying larger than normal flowers, pale to deeper blue-lavender in color as well as shades of white and pink, on open rocky exposures of platy, calcareous Cretaceous limestone.
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scattered population of twiggy canescent shrubs displaying larger than normal flowers, pale to deeper blue-lavender in color as well as shades of white and pink, on open rocky exposures of platy, calcareous Cretaceous limestone.
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scattered population of twiggy canescent shrubs displaying larger than normal flowers, pale to deeper blue-lavender in color as well as shades of white and pink, on open rocky exposures of platy, calcareous Cretaceous limestone.
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scattered population of twiggy canescent shrubs displaying larger than normal flowers, pale to deeper blue-lavender in color as well as shades of white and pink, on open rocky exposures of platy, calcareous Cretaceous limestone.
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habitat view, scattered population of twiggy canescent shrubs displaying larger than normal flowers, pale to deeper blue-lavender in color as well as shades of white and pink, on open rocky exposures of platy, calcareous Cretaceous limestone.
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Habit view. Scattered population of twiggy canescent shrubs displaying larger than normal flowers, pale to deeper blue-lavender in color as well as shades of white and pink, on open rocky exposures of platy, calcareous Cretaceous limestone.
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scattered population of twiggy canescent shrubs displaying larger than normal flowers, pale to deeper blue-lavender in color as well as shades of white and pink, on open rocky exposures of platy, calcareous Cretaceous limestone.
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scattered population of twiggy canescent shrubs displaying larger than normal flowers, pale to deeper blue-lavender in color as well as shades of white and pink, on open rocky exposures of platy, calcareous Cretaceous limestone.
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on limestone outcrop in roadside drainage with Larrea, Ruellia, Mortonia scabrella, Bernardia obovata, Quercus hinckleyi.
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on gravels among limestone ledges on low rocky hillside
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