Helenium quadridentatum is a North American plant in the Sunflower Family, commonly known as Longdisk sneezeweed. It is found in the southeastern and south-central United States (Alabama, Mississippi, Louisiana, Texas, Oklahoma) as well as Mexico (from Tamaulipas to Yucatán), Cuba, Guatemala, and Belize.Helenium quadridentatum is an annual herb up to 100 cm (39.5 in) tall, with small wings running down the sides of the stems.
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