| 1. | Protruding from the corolla is a staminode covered in light orange hairs.
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| 2. | The yellow, bearded staminode protrudes from the mouth of the flower.
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| 3. | The lower lip and the staminode are heavily bearded with yellowish hairs.
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| 4. | This loss of a staminode is an apomorphy ( = derived characteristic ).
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| 5. | This presence of a staminode defines an ancestral trait ( = plesiomorphic ).
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| 6. | The staminode has a beard of yellow hairs.
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| 7. | There are four stamens and a staminode.
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| 8. | The inside of the mouth is very hairy, including the rough-haired staminode.
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| 9. | The inside of the corolla is slightly hairy and the staminode is covered in yellow hairs.
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| 10. | The other subfamilies, Apostasioideae and Cypripedioideae, have either three stamens or two stamens and a staminode.
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