Psilostrophe tagetina (Nutt.) Greene
Longevity : Perennial
Woolly Paperflower is a densely white-hairy perennial that grows in various soil types of the Edwards Plateau and South Texas Plains. It grows to twenty inches in height with many stems coming from the base and forming a clump. The leaves are narrow and up to four inches long. The flower head is composed of three to five yellow ray flowers and six to twelve yellow disk flowers. Woolly Paperflower is the largest-flowered paperflower in the state and blooms from February to October. Woolly paperflower is poisonous to sheep and sometimes cattle because of a toxic agent called sesquiterpene lactone. Symptoms include uneasiness, weakness of hind legs, and regurgitation of food.
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