| 11. | "Helianthus anomalus " is of particular interest due to its genetics.
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| 12. | "Helianthus neglectus " grows on sand dunes and other sandy soil.
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| 13. | The species is economically important on " Helianthus annuus " in North America.
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| 14. | That part is accurate, because Jerusalem artichoke indeed is a sunflower ( Helianthus tuberosus ).
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| 15. | "Helianthus angustifolius " is often cultivated for its bright, showy yellow flowers.
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| 16. | "Helianthus radula " grows in sandy, open woodlands such as pine barrens.
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| 17. | "Helianthus resinosus " grows in open swamps and meadows, and along roadsides.
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| 18. | Wild " Helianthus annuus " is a widely branched annual plant with many flower heads.
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| 19. | "Helianthus pumilus " grows on dry rocky soil in the mountains and nearby plains.
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| 20. | The woodland sunflower is similar to " Helianthus hirsutus ", but its stem is rough.
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