| 31. | It has a 7mm long pale yellow perianth tube.
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| 32. | It has a perianth tube of 1-1.2 cm long.
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| 33. | It has a green perianth tube, which is longer than the ovary.
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| 34. | The signal is at the entrance to the perianth.
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| 35. | The perianth is funnel-shaped, with the stamens attached to its base.
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| 36. | The perianth is narrow and pointed, with almost similar sepals and petals ..
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| 37. | The 2-5-lobed perianth consists of two to five connate tepals.
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| 38. | The perianth-cup in fruit is cupuliform.
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| 39. | Male flowers consist of 3-5 perianth lobes and 3-5 stamens.
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| 40. | These are flaps of tissue, running from the perianth tube above the sepal.
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