Hymenoxys helenioides

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
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Genus:
Hymenoxys
Species:
H. helenioides
Binomial name
Hymenoxys helenioides
Synonyms[1]

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]

References
  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


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