Hymenopappus artemisiifolius

Hymenopappus artemisiifolius
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Hymenopappus
Species:	H. artemisiifolius
Binomial name
Hymenopappus artemisiifolius DC. 1836
Synonyms [1] [2]
Hymenopappus artemisiaefoliusDC. Hymenopappus scabiosaeus var. artemisiifolius(DC.) Gandhi & R.D. Thomas Rothia artemisiifolia(DC.) Kuntze Hymenopappus scabiosaeus var. riograndensis(B.L.Turner) Gandhi

Hymenopappus artemisiifolius, the oldplainsman or wooly-white, ^[3] 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. ^[4] Its natural habitat is in sandy soils of prairies and open woodlands. ^[5]

Hymenopappus artemisiifolius is a biennial herb up to 100 cm (39 in) 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. ^[6] Its flowers attract butterflies. ^[5]

Varieties ^{[1] [6]}

• Hymenopappus artemisiifolius var. artemisiifolius - Texas, Arkansas, Louisiana
• Hymenopappus artemisiifolius var. riograndensisB.L.Turner - Río Grande Valley in southern Texas ^{[7] [8]}

References

1. The Plant List, Hymenopappus artemisiifolius DC.
2. Tropicos, Hymenopappus artemisiifolius DC.
3. NRCS. "Hymenopappus artemisiifolius". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 3 August 2015.
4. Biota of North America Program, 2014 county distribution map
5. Hymenopappus artemisiifolius Lady Bird Johnson Wildflower Society
6. Flora of North America, Hymenopappus artemisiifolius de Candolle 1836.
7. Turner, Billie Lee. 1956. Rhodora 58(694): 305–306 descriptions in English and Latin, commentary in English
8. Turner, Billie Lee. 1956. Rhodora 58(694): 289 distribution map