| 11. | The other species are characterized by a staminode that is homologous to the only stamen of monandrous orchids.
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| 12. | Inside the mouth are long filamentous stamens and a flat, hairy, yellow sterile stamen called a staminode.
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| 13. | Inside the mouth are long filamentous stamens and one flat, yellow-hairy sterile stamen called a staminode.
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| 14. | Inside the flower are shiny filamentous stamens holding anthers and a flat, densely hairy sterile stamen called a staminode.
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| 15. | The inflorescence is a panicle of flowers resembling penstemons, widely tubular with two lobed lips and a hairy staminode.
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| 16. | Within the mouth are long stamen filaments bearing anthers, and a flat, hairless, sterile stamen called a staminode.
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| 17. | Pointed lobes curl away from the mouth of the flower, revealing a hairy yellow sterile stamen known as a staminode.
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| 18. | The flowers are blue-purple, glandular on the outer surface and mostly hairless inside except for the hairy staminode.
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| 19. | The mouth of the flower has hairs along the floor and a tuft of hairs at the tip of the staminode.
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| 20. | The mouth of the flower has three lower lobes streaked with dark lines, a hairy throat and a long-haired, protruding staminode.
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