| 1. | The head is thickly covered with keeled, imbricate scales.
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| 2. | Each of the principal gables is ornamented with imbricated shingles.
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| 3. | Their bodies are covered with keeled scales that are imbricate with apical pits.
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| 4. | Head scales small, subequal, feebly imbricate, smooth or weakly keeled.
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| 5. | All dorsal scales rhomboidal and imbricate ( overlapping ).
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| 6. | The involucre has 30 to 40 green, imbricated scales with short hairs.
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| 7. | Buds are ovoid, acutish, with many imbricate, dark brown scales.
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| 8. | The disk is covered by naked or granulated skin, or by imbricating scales.
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| 9. | The four petals are imbricated in the bud.
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| 10. | The rhomboidal jaws are covered with imbricating scales.
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मोबाइल