| 31. | It is frequently grown as an ornamental greenhouse or house plant, and is favored for its unusually large pinnules.
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| 32. | Like other sea lilies, it produces gametes in specialised areas of the pinnules and releases them into the sea.
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| 33. | Both of these sets of nerves are sensory in nature, with the lower set supplying the pinnules and tube feet.
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| 34. | Leaves are bipinnately compound, downy, with 3-9 pairs of pinnae and 10-30 pairs of pinnules.
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| 35. | The oral surface with the mouth is facing upwards and is surrounded by five, often divided rays with feathery pinnules.
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| 36. | The leafy structures that grow from the stipe are known as " pinnae " and are often again divided into smaller pinnules.
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| 37. | It was traditionally believed that the ovules were borne directly on the fronds, replacing one of the pinnules on the ultimate pinnae.
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| 38. | The five radial canals run into the arms and branch several times to supply all of the individual branches and pinnules lining the arms.
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| 39. | Every pinnule has up to six pairs of petioles are dark-purplish, hence the name'purpurascens'meaning'becoming purple '.
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| 40. | The arms are jointed, and lined by smaller feather-like appendages, or " pinnules ", which also include tube feet.
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