sword bean

Canavalia gladiat

  • sword bean
  • sword bean
  • sword bean
  • sword bean
  • Flower name
    sword bean
  • Scientific name
    Canavalia gladiat
  • Alias鉈豆, sword bean, Canavalia gladiat, natamame, 刀豆
  • Place of origintropical Asia
  • Place of floweringField
  • Flowering seasonJuly, August, September

What is sword bean

Sword bean (Scientific Name: Canavalia gladiat) is a member of the Fabaceae family and is a vineous annual plant native to tropical Asia. It is also known as tozu, or sword bean. It was introduced to Japan in the Edo period. There are several types of sword bean.
Sword beans, the red bean (Scientific Name: Canavalia gladiata) and the white bean (Scientific Name: Canavalia gladiata f. alba) are edible and are used in Chinese medicine, tea, and in making pickles. The other varieties are highly toxic.

Common Name: Sword bean, Scientific Name: Canavalia gladiata, Aka: Nata bean, Origin: Tropical Asia, Vine length: 3 to 5 m, Leaf shape: 3 to 5 m, Leaf color: Large 3-decapitated compound leaves, Flower color: White or pink, Flower shape: Butterfly shape, Fruit shape: Fruit shape Bean fruit, Bean length: 25 cm, Capsicum: November, Use: Chinese medicine and tea.


  • Order
    Fabales
  • Family
    Fabaceae
  • Genus
    Canavalia
  • Species
    C. gladiat
  • Type of flower
    Left-right symmetrical flower
  • Array of flower
    Gross inflorescence
  • Petal shape
    Butterfly shape
  • Leaf type
    3-fold compound leaf
  • Edge of the leaf
    Serrated
  • Life typevineous annual plan
  • Flower colorsWhite
  • Colors of the leavesGreen
  • Fruit colorGreen
  • Height300.0 ~ 500.0 cm
  • Diameter of flower3.0 ~ 3.0 cm

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