Plant Data

Names and Taxonomy

  • Common Names: Oneflower, Oneflower Helianthella, Little Sunflower
  • Synonyms:
  • Family: Asteraceae (Sunflower)
  • Genus Information:

Habit and Size

  • Duration: perenial
  • Habit: forb
  • Shape: upright
  • Size: up to 4'
  • Stem: brown, one flower per stem

Leaves

  • Color: green
  • Shape: lanceolate
  • Edge: slightly toothed
  • Arrangement: opposite below, alternate above
  • Leaf Retention:

Flowers and Fruit

  • Sex: monoecious
  • Flower Color: yellow
  • Flower Size:
  • Number of Petals: many
  • Bloom: May, Jun, Jul, Aug
  • Fruit: cypsela

Habitat and Growing Conditions

  • Water Use:
  • Light: full sun
  • Soil: gravel
  • Habitat: shrub and woodland communities

Distribution

  • Distribution: CO, ID, MT, NM, NV, OR, UT, WA, WY
  • Seen: UT
  • Elevation: 2,000 to 10,500' ( m)

Photographs

Oneflower (Helianthella uniflora)

UT