Hymenopappus tenuifolius, the Chalk Hill hymenopappus,[1] is a North American species of flowering plant in the daisy family. It grows in the central and southeastern United States, primarily on the Great Plains from Texas and New Mexico north as far as South Dakota.[2]

Hymenopappus tenuifolius
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Hymenopappus
Species:	H. tenuifolius
Binomial name
Hymenopappus tenuifolius Pursh 1813 not Nutt. ex Torr. & A.Gray 1842 nor Dougl. ex Hook. 1833

Hymenopappus tenuifolius is a biennial herb up to 150 cm (5 feet) tall. It produces 20-200 flower heads per stem, each head with 25–50 white disc flowers but no ray flowers.[3][4]

References

External links

• Photo of herbarium specimen at Missouri Botanical Garden, collected in 1839 somewhere on the Great Plains
• Eastern Colorado Wildflowers
• Lady Bird Johnson Wildflower Center, University of Texas

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