Winged bean

Psophocarpus tetragonolobus

  • Winged bean
  • Winged bean
  • Winged bean
  • Winged bean
  • Winged bean
  • Winged bean
  • Winged bean
  • Winged bean
  • Flower name
    Winged bean
  • Scientific name
    Psophocarpus tetragonolobus
  • Alias四角豆, ウリズン, うりずん豆, シカクマーミ, Winged bean, haricot aile
  • Place of originSoutheast Asia such as Thailand, Indonesia, and Malaysia
  • Place of floweringSubtropical region, Okinawa
  • Flowering seasonJuly, August, September
  • Language of flowerscompassion

What is Winged bean

The winged bean (scientific name: Psophocarpus tetragonolobus) is native to Southeast Asia such as Thailand, Indonesia, and Malaysia, and is a vine annual of the family Fabaceae. In Japan, it is cultivated commercially in Okinawa, and in other warm areas it is cultivated for home gardens and greening curtains. The Okinawan name is Urisun, Urizu Bean, or Shikakumami, the English name is Winged bean, and the French name is halicot aile.
Extend the vine 3 to 4 m, and in summer, light blue lip petals bloom from the leaves. There are 4 tombs on the buds after the flower, and the sheath edge is covered with frills. Not only pods, but leaves, flowers, and roots are edible raw or cooked. Cooking methods include salads, stir-fries, tempura, and soup. The flower language is “compassion”.

Common name: winged bean, aka: haricot aile (French name), vine lemgth: 300-400 cm, pod length: 15-20 cm, flower color: light blue, flower diameter: 3-4 cm, flowering period: July to September, leaf color: green, pod color: green, Harvest period: September to November, use: pods, flowers, leaves and roots are also edible.


  • Order
    Fabales
  • Family
    Fabaceae
  • Genus
    Psophocarpus
  • Species
    P. tetragonolobus
  • Type of flower
    Radial symmetrical flower
  • Array of flower
    Gross inflorescence
  • Petal shape
    Lip shaped
  • Leaf type
    lanceolate
  • Edge of the leaf
    All edges
  • Life typevine annual plant
  • Flower colorsPink
  • Colors of the leavesGreen
  • Fruit colorGreen
  • Height300.0 ~ 400.0 cm
  • Diameter of flower3.0 ~ 4.0 cm

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