helenium autumnale

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Related to helenium autumnale: Symphyotrichum laeve
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Yellow daisy-like flowers with globular middle, angled stems. Sometimes called “Swamp Sunflower” because it likes to grow near water in sand. Tea made from flowers used for intestinal worms. Contains a strong anti-cancer lactone recognized by National Cancer Institute. Ok for humans, but too strong (poisonous) for animals, worms and insects. Keep away from grazing animals.