| 31. | The flowers are on a stiff 5 cm catkin.
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| 32. | The greenish flowers are borne on catkins in the axils of the leaves.
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| 33. | They feed in the catkins of their host plant.
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| 34. | What's going on ? _ Divagating, Catkin, N . H.
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| 35. | The flowers are produced in catkins in early spring, and pollinated by insects.
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| 36. | The fruiting catkins are long and about broad.
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| 37. | The pistillate ( female ) catkins are long, containing 10 30 flowers each.
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| 38. | The male flowers are long-stalked catkins, developing at the shoot base.
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| 39. | The catkin-like male flowers are yellow.
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| 40. | The prominent catkins are green turning to brown.
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