| 41. | Pupation takes place within a silk cocoon in the inflated leaf petioles.
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| 42. | This perennial herb or petioles up to 3 centimeters long.
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| 43. | The leaves higher on the stem are smaller and have no petiole.
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| 44. | The leaf base and petiole are covered with rows of pointy spines.
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| 45. | They feed in the stem, leaf petioles or rootstock.
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| 46. | The pupation takes place in a pupa hanging on the leaf petiole.
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| 47. | Basal leaves have petioles but the stem leaves do not.
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| 48. | Leaves are bipinnate with hair and prickles on the petioles.
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| 49. | Petioles may be up to 7 cm long, and are caniculate.
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| 50. | Petioles become soft and may break as the pathogen destroys the host.
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