| 31. | The labellum is about long and wide.
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| 32. | The labellum encloses the floral bud until its opening, thereby protecting immature floral parts.
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| 33. | The labellum is not bent backwards and is split into two lobes at the end.
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| 34. | The lateral margins of the labellum are green and lobed, with the lobes erect.
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| 35. | The labellum varies in how far it is split at the end into two lobes.
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| 36. | The lip or labellum is bent downwards and is divided into two at the tip.
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| 37. | The specific epithet " pandurata " refers to the fiddle-shaped labellum.
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| 38. | Unlike some other hammer orchids, the labellum is all the same dark maroon colour.
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| 39. | The calli along the edge of the labellum, decreasing in length towards its front.
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| 40. | The calli along the labellum mid-line, decreasing in size towards the front.
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