- Types:
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Helianthus angustifolius, swamp sunflower
sunflower of eastern North America having narrow leaves and found in bogs
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Helianthus annuus, common sunflower, mirasol
annual sunflower grown for silage and for its seeds which are a source of oil; common throughout United States and much of North America
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Helianthus giganteus, Indian potato, giant sunflower, tall sunflower
very tall American perennial of central and the eastern United States to Canada having edible tuberous roots
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Helianthus laetiflorus, showy sunflower
tall rough-leaved perennial with a few large flower heads; central United States
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Helianthus maximilianii, Maximilian's sunflower
tall perennial of central United States to Canada having golden-yellow flowers
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Helianthus petiolaris, prairie sunflower
similar to the common sunflower with slender usually branching stems common in central United States
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Helianthus tuberosus, Jerusalem artichoke, Jerusalem artichoke sunflower, girasol
tall perennial with hairy stems and leaves; widely cultivated for its large irregular edible tubers
