Scientific name: Helianthus hirsutus Synonyms: Helianthus hirsutus var. stenophyllus, Helianthus hirsutus var. trachyphyllus, Helianthus stenophyllus Common names: hairy sunflower, rough sunflower
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Stem
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Whole plant
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Flower head
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Immature flower head
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Leaves and stem
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Leaf (lower surface)
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