without petals
petals free
petals all united
sepals/bracts
sepals and tepals
| apetalous without petals |
choripetalous petals free |
sympetalous petals all united |
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| without perianth | free sepals | free sepals |
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| free sepals/bracts | connate sepals | connate sepals |
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| connate sepals/bracts | free sepals | |
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| undifferentiated sepals/bracts |
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| male flower with sepals and tepals |