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Harmonia doris-nilesiae is a species of flowering plant in the family Asteraceae known by the common names serpentine tarweed and Niles' madia.

Harmonia doris-nilesiae
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Harmonia
Species:	H. doris-nilesiae
Binomial name
Harmonia doris-nilesiae (T.W.Nelson & J.P.Nelson) B.G.Baldwin
Synonyms
Madia doris-nilesiae T.W.Nelson & J.P.Nelson

This plant was first described to science in 1985, when it was named Madia doris-nilesiae after the California botanist and teacher Doris Niles.[1][2] It and several others were moved to the new genus Harmonia in 1999.

Description

Harmonia doris-nilesiae is an annual herb growing up to about 26 centimeters tall, its upper branches bristly and glandular. The bristly, toothed leaves are up to 4 centimeters long.

The inflorescence bears several flower heads on long, thin peduncles. Each head has yellow disc florets tipped with yellow anthers and 4 to 8 bright yellow ray florets each a few millimeters long. The fruit is a black achene with a small pappus.

Distribution

Harmonia doris-nilesiae is endemic to the southern Klamath Mountains of far northern California, where it grows in serpentine soils.

References

External links

• Jepson Manual Treatment: Harmonia doris-nilesiae
• USDA Plants Profile: Harmonia doris-nilesiae
• Harmonia doris-nilesiae — U.C. Photo gallery

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