Koanophyllon palmeri

Koanophyllon palmeri
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Koanophyllon
Species:
K. palmeri
Binomial name
Koanophyllon palmeri
(A.Gray) R.M.King & H.Rob. 1971
Synonyms
  • Eupatorium palmeri A. Gray 1886
  • Eupatorium arborescens M.E.Jones

Koanophyllon palmeri, called Palmer’s umbrella thoroughwort, is a North American plant species in the family Asteraceae. It is native to Arizona, southwestern New Mexico, and western Mexico from Sonora as far south as Michoacán.

Koanophyllon palmeri is an herb or subshrub up to 100 cm (39 inches) in height. Leaves are lanceolate with rounded bases and narrow pointed tips. Flowers are usually white, but sometimes tinged with purple or yellow.