| 41. | It has greyish-green, ( falcate ) curved leaves, that are covered in very small hairs.
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| 42. | The leaves are glossy green with a blade that is lanceolate to falcate and are long and approximately wide.
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| 43. | First, hybridization could have resulted in falcated duck mitochondrial DNA ( mtDNA ) introgressing into the gadwall gene pool.
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| 44. | Second, gadwalls and falcated ducks could have diverged so recently that mtDNA lineages have not sorted to reciprocal monophyly.
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| 45. | It has falcate ( sickle-shaped ), grey-green leaves, deciduous, simple, sheathing leaves.
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| 46. | The leaf balde is linear to narrowly lanceolate or falcate in shape with a length of and a width of.
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| 47. | They have 4-6 leaves, grey-green, and falcate, ( sickle shaped ) or curved.
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| 48. | The three basic types of fruit categories can be separated by their curvature including straight, slightly curved, and falcate.
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| 49. | The first dorsal fin is moderately tall and falcate ( sickle-like ) in shape, with a rounded tip.
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| 50. | The large first dorsal fin is also falcate and originates over or slightly behind the rear of the pectoral fin bases.
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