| 11. | However, the calyx is often reduced with obsolete calyx teeth.
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| 12. | It is distinguished by its smaller size and more glabrous calyx.
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| 13. | The length of the calyx and stalk are approximately the same.
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| 14. | They are characterized by a showy calyx and reduced corolla.
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| 15. | Below the corolla, 5 leaf-like sepals form the calyx.
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| 16. | The calyx is five-parted and persistent; valvate in bud.
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| 17. | Its petals are white, twice the length of the calyx lobes.
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| 18. | The calyx has five lobes that are much shorter than the flower.
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| 19. | Pedicels without berries have a distinctive rounded five part calyx.
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| 20. | The golden-yellow flowerheads, on 5 15 cm long calyx.
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