Hymenoxys helenioides

Hymenoxys helenioides

Vulnerable  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Hymenoxys
Species:
H. helenioides
Binomial name
Hymenoxys helenioides
Synonyms[1]
Synonymy
  • Actinea helenioides (Rydb.) S.F.Blake
  • Dugaldia helenioides (Rydb.) A.Nelson
  • Picradenia helenioides Rydb. 1901

Hymenoxys helenioides is a North American species of flowering plant in the daisy family known by the common name intermountain rubberweed. It is native to Arizona, Utah, Colorado, and New Mexico in the western United States.[2]

Hymenoxys helenioides is a perennial herb up to 50 cm (20 in) tall. One plant generally produces as many as 50 flower heads. Each head has 10–16 ray flowers and 50–150 disc flowers.[3]

  1. ^ The Plant List, Hymenoxys helenioides (Rydb.) Cockerell
  2. ^ Biota of North America Program 2014 distribution map
  3. ^ Flora of North America, Hymenoxys helenioides (Rydberg) Cockerell, 1904. Intermountain rubberweed