Smooth oxeye
Heliopsis helianthoides (L.) Sweet [Asteraceae]
Kikuimomodoki (キクイモモドキ, 菊芋擬)
Life form: perennial forb
Distribution: norhtern America (extotic to Japan)
Habitat: dry to medium, well-drained soil in full sun, e.g., disturbed areas such as raodsides
Seed dispersal: wind
Heliopsis helianthoides in Hokkaido
[Top/Left] a patch on July 14 2010. [Top/Right] stems and leaves on July 28 2010. [Bottom/Left] close-up of flowers on July 14 2010. [Bottom/Right] close-up of the tops of ray flowers on August 21 2010. All the location was N17/W3, North Ward, Sapporo.