| 1. | Spiral gingers ( Costus spp . ) produce blooms that attract hummingbirds.
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| 2. | The Costus gingers offer attractive foliage, unusual flowers and a curious growth habit.
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| 3. | It is one of the most commonly cultivated " Costus " species.
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| 4. | Costus speciosus, also known as the crepe ginger, can mature to 8 feet.
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| 5. | The foliage of " Costus barbatus " is dark green and fuzzy underneath.
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| 6. | Costus was added unto these, being only twelve " maneh "-weight.
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| 7. | Koenig was published in 1783, but subsequently determined to be a synonym of " Costus"
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| 8. | Ming rulers obtained opium via the costus root, pepper, ivory, rhino horn and peacock feathers.
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| 9. | The red flowers at the base are " Costus spectabilis ", Nigeria's national flower.
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| 10. | Other plants used include : mat root ( " Costus scaber " ) and given to the bitten.
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