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| T. paludosa is smaller than
T. ohiensis. |
Flower has 3 sepals, 3 petals,
6 stamens and 1 pistil. |
Filament of stamen has hairs. | |
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| anther | pistil | stigma | |
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| ovary that has no hair
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3 sepals and 3 petals | sepals that have no hair
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