| 21. | Hexane extracts of " Plumbago zeylanica " have shown activity against canine distemper virus.
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| 22. | "' Plumbago drawings "'are graphite drawings from the 17th and 18th centuries.
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| 23. | Many secondary metabolites have been discovered and isolated from Plumbago auriculata such as Plumbagin, palmitic acids.
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| 24. | Plumbago makes blue or white phloxlike blooms spring to frost on mounding plants with long, arching stems.
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| 25. | Mature plumbago leaves often have a whitish residue on their undersides, a feature that can confuse gardeners.
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| 26. | It was then polished in a revolving cask using plumbago ( graphite ), which also blackened it.
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| 27. | Plumbago produces a 4-foot cloud of phloxlike blue ( or white ) flowers for months each year.
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| 28. | A common fault with the culture of plumbago plants is that the flowering tends to be less each season.
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| 29. | I was also struck by the plumbago ( Ceratostigma plumbaginoides ) growing beneath the dappled shade of a hawthorne tree.
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| 30. | Later, Thoreau converted the factory to produce plumbago ( graphite ), which was used in the electrotyping process.
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