| 31. | Generally, the temporal scales are smooth, but sometimes slightly keeled.
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| 32. | The dorsal scales are keeled, pointed, and spiny.
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| 33. | The snout is rounded and covered with small keeled scales.
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| 34. | The lower side of the leaf is smooth, glossy and keeled.
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| 35. | The strongly keeled dorsal scales are arranged in 23 rows at midbody.
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| 36. | In the flat, keeled species, the whorls tend to overlap.
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| 37. | The microsporophylls are triangular and keeled, bearing two pollen sacs each.
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| 38. | Most of the scutes were keeled, but did not have spikes.
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| 39. | The others are rather convex, keeled above and flattened sloping downwards.
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| 40. | Its periphery is smooth or nodose, angulate or keeled.
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