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  Vigna angularis (Willd.) Ohwi & H.Ohashi
  Family Name : Fabaceae (Leguminosae)

  Synonyms : Phaseolus angularis

  Common Names : Adzuki Bean, Red Bean

  Chinese Name : 红豆, 赤豆

Adzuki Bean,Red Bean
  • Record Info
  • Life Stage & Characteristics
    • Plant Division :
      Angiosperms (Flowering Seed Plants) (Dicotyledon)
      Plant Growth Form :
      Climber, Vine & Liana
      Lifespan (in Singapore) :
      Mode of Nutrition :
  • Biogeography
    • Native Distribution :
      Native Habitat :
      Local Conservation Status :
      Exotic (Horticultural / Cultivated Only)
  • Description & Ethnobotany
    • Plant Morphology :
      Growth Form: An annual vine, it has an erect to twining growth habit and is usually bushy. The plant grown up to 25 to 90cm tall when erect.
      Foliage: The leaves are trifoliate with ovate to ovate-rhomboid leaflets and are alternately arranged along the stem.  
      Flowers: The flowers are bright yellow and are borne on axillary racemes in 6 to 12 flowers. The flowers are pea-shaped (papilionaceous). 
      Fruits: The fruit is a pendulous pod or legume which is slightly constricted between the seeds. The small, oblong seeds are smooth and dull red in colour with a white, umimpressed hilum and rounded ends. The seeds can be kept for 2 years and still be viable.
      Cultivation :
      It can be grown in a wide range of soils, in pH of 5.0 to 7.5 and in temperatures of 15 to 30°C under full sun. 
      Ethnobotanical Uses :
      Edible Plant Parts (Edible Seeds)
      Food (Fruit & Vegetable: The dried seeds are cooked and used to make confections such as soup or are made into mooncake paste which is eaten during the Chinese Mid-Autumn Festival. The seeds are also ground into flour which is used in cakes, confections, shampoo and facial products. The immature sprouted seeds are also eaten as a vegetable.  )
      Medicinal (In China, the seeds are used to treat several diseases such as kidney trouble, constipation, abscesses and threatened miscarriage. The leaves are also said to alleviate fever while the sprouts are used to avert threatened abortion caused by injury.   )
  • Landscaping Features
    • Plant & Rootzone Preference/Tolerance :
      Moist Soils, Well-Drained Soils
      Landscape Uses :
      General, Container Planting
      Thematic Landscaping :
      Economic Garden
  • Plant Care & Propagation
    • Light Preference :
      Full Sun
      Water Preference :
      Moderate Water
      Propagation Method :
  • Foliar
    • Foliage Retention :
      Mature Foliage Colour(s) :
      Mature Foliage Texture(s) :
      Smooth, Hairy / Hirsute
      Foliar Type :
      Compound (Trifoliate)
      Foliar Arrangement Along Stem :
      Foliar Attachment to Stem :
      Foliar Margin :
      Pinnately Lobed / Pinnatifid
  • Floral (Angiosperm)
    • Flower & Plant Sexuality :
      Bisexual Flowers
      Flower Colour(s) :
      Yellow / Golden
      Flower Grouping :
      Cluster / Inflorescence
      Flower Location :
      Axillary, Terminal
      Inflorescence Type :
  • Fruit, Seed & Spore
    • Mature Fruit Colour(s) [Angiosperms & Gymnosperms] :
      Fruit Type :
      Dehiscent Dry Fruit (Legume / Pod)
      Mature Seed Colour(s) :
      Seed Quantity per Fruit :
      Several (11-20)
The information given on this website has been compiled from reference works on medicinal plants and/or pron only. It is not a substitute for medical advice or treatment and NParks does not purport to provide any medical advice. Reliance on this information is strictly at your own risk. You should always consult your physician before using or consuming a plant for medicinal purposes.

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