Hymenopappus artemisiifolius, the oldplainsman or wooly-white, is a North American species of flowering plant in the daisy family. It has been found only in the south-central United States, in Texas, Arkansas, and Louisiana.Biota of North America Program, 2014 county distribution map Its natural habitat is in sandy soils of prairies and open woodlands.Hymenopappus artemisiifolius Lady Bird Johnson Wildflower Society
Hymenopappus artemisiifolius is a biennial herb up to tall. It produces 20-60 flower heads per stem, each head with 40–60 white, yellow, purple, or red disc flowers but no ray flowers.Flora of North America, Hymenopappus artemisiifolius de Candolle 1836. Its flowers attract butterflies.
Varieties Hymenopappus artemisiifolius var. artemisiifolius - Texas, Arkansas, Louisiana Hymenopappus artemisiifolius var. riograndensis B.L.Turner - Río Grande Valley in southern TexasTurner, Billie Lee. 1956. Rhodora 58(694): 305–306 descriptions in English and Latin, commentary in EnglishTurner, Billie Lee. 1956. Rhodora 58(694): 289 distribution map
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