Harmonia doris-nilesiae

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
  1. Flora of North America
  2. CalFlora Botanical Names


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