Eupatorium sachalinense

  • Eupatorium sachalinense_img_0
    Eupatorium sachalinense @ Urabandai
  • Eupatorium sachalinense_img_1
    Eupatorium sachalinense @ Hakusan Alpine Botanical Garden
  • Eupatorium sachalinense_img_2
    Eupatorium sachalinense @ Urabandai

Basic information

Flower Name
Eupatorium sachalinense
Formal Name
Eupatorium chinense l. var. sachalinense
Alias
Yotsubahiyodori
Habitat
China
Morph
Years of weed

Comment

What is Eupatorium sachalinense

Eupatorium sachalinense or Yotsuba-hiyodori (scientific name: Eupatorium chinense L. var. sachalinense) is a perennial grass of the Asteraceae native to China. It is a variety of (Eupatorium makinoi)the joe-pye weed and flower is similar and leaves's shape are different. The leaves of the joe-pye weed grow a pair to a stem, however Eupatorium sachalinense(Yotsuba-hiyodori ) have small jaggedness on leaves and do the leaves of 4 pieces of verticillation to a stem.
It resembles Eupatorium japonicum , , commonly called as the thoroughwort , or Fujibakama,but as for the thoroughwort( Fujibakama, E. japonicum), a leaf does 3 incisions

General name: Eupatorium sachalinense, scientific name: Eupatorium chinense L. var. sachalinense, aka: Yptsuba hiyodori , origin: China, Habitat: Hokkaido-Shikoku ,plant: 100-200 cm heigh, leaf: oblong, petiole: no, leaf: serrated, bisexual flowers and scattered bunch flower diameter: 15-20 cm, Corolla: 5-flower consists of six cylindrical flower heads, tubular flowers: top 5 lobed and pistil pops out and then to crack 2 pistil tip, flower color: white, light reddish purple,
Long tube-shaped flowers 0.5-0.6 cm, flowering period: 10 months from August.

Detailed information

Order
Asterales
Family
Asteraceae
Genus
Eupatorium
Species
E. chinense ssp.sachalinense
Flower type
Actinomorphic Flower
Flower array
Corymb
Petal shape
capitate corolla
Leaf type
Oblong
Leaf edge
Serrated
Flowering place
Low mountainSub-high mountain
Color
Violet, White
Season
AugSepOct
Height
100 ~ 200 [cm]
Diameter
0.7 ~ 1

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