Sinomenium acutum

Sinomenium acutum

  • Sinomenium acutum
  • Sinomenium acutum
  • Flower name
    Sinomenium acutum
  • Scientific name
    Sinomenium acutum
  • Aliasオオツヅラフジ, 大葛藤, 葛藤, Tsuzurafuji
  • Place of origin Japan, Taiwan and China
  • Place of floweringFields and footpaths, Low mountains
  • Flowering seasonJune, July

What is Sinomenium acutum

Sinomenium acutum or Tsuzurafuji (scientific name: Sinomenium acutum) is native to Japan, Taiwan and China, and is a deciduous vine of the family Menispermaceae. It grows naturally in the forest edge of the mountains from the Kanto region to Shikoku and Kyushu. They extend the left-handed thick vine about 10m. In summer, the conical inflorescences are stretched from the branches and leaves, and white flowers bloom. Spherical dark blue fruits are formed in the fall and are very poisonous and cannot be eaten. The stem and rhizome are the ingredients of the herbal medicine “Boui”.

Common name: Sinomenium acutum or Tsuzurafuji, scientific name: Sinomenium acutum, vine length: 10 m, Phyllotaxis: alternate, Petiole: Yes, Leaf length: 6-15 cm, Leaf shape: Various, Flowering period: June to July, Inflorescence shape: Cone, Inflorescence length: 15 cm, Number of petals: 6, Number of sepals: 6, Flower diameter : 0.4 cm, flower color: white, fruit type: drupe, fruit shape: sphere, drupe diameter: 0.6-0.7 cm, fruit color: dark blue, caution: toxic plant.


  • Order
    Ranunculales
  • Family
    Menispermaceae
  • Genus
    Sinomenium
  • Species
    S. acutum
  • Type of flower
    Radial symmetrical flower
  • Array of flower
    Cone / Compound inflorescence
  • Petal shape
    6-petaled flower
  • Leaf type
    ovoid
  • Edge of the leaf
    All edges
  • Life typedeciduous vine
  • Flower colorsWhite
  • Colors of the leavesGreen
  • Fruit colorGreen
  • Height500.0 ~ 1000.0 cm
  • Diameter of flower0.3 ~ 0.5 cm

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