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1. Flowers are small and inconspicuous.
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1. Flowers are very conspicuous.
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2. The flowers lack fragrance and nectar.
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2. Flowers are sweet and strong scented with nectar to attract pollinators.
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3. The perianth of flowers is reduced and not attractive in colour.
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3. The petals are brightly coloured so as to attract pollinators.
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4. Flowers are usually unisexual.
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4. Flowers are both unisexual and bisexual.
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