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  Senna alexandrina Mill.
  Family Name : Fabaceae (Leguminosae)

  Common Names : Alexandrian Senna

  Chinese Name : 亚历山大決明, 番瀉叶

 
Alexandrian Senna
  • Record Info
  • Life Stage & Characteristics
    • Plant Division :
      Angiosperms (Flowering Seed Plants) (Dicotyledon)
      Plant Growth Form :
      Shrub
      Lifespan (in Singapore) :
      Perennial
      Mode of Nutrition :
      Autotrophic
  • Biogeography
    • Native Distribution :
      Tropical Africa, Asia
      Native Habitat :
      Terrestrial (Grassland / Savannah/ Scrubland)
      Preferred Climate Zone :
      Tropical, Sub-Tropical / Monsoonal
  • Description & Ethnobotany
    • Plant Morphology :
      Growth Form: Erect shrub, able to grow up to 0.5 - 1.5 m tall.
      Foliage: Green leaves, alternate, even pinnate, contains 4 - 6 leaflets, arranged spirally on the plant.
      Stems: Pale-green stem with spreading branches.
      Flowers: Yellow flowers in an erect stalked raceme measuring up to 30 cm long.
      Fruits: Fruit is a flattened pod, measuring about 7 cm long and contains about 6 - 10 flattened, oblong seeds
      Etymology :
      Genus Senna is derived from the Arabic name "sana", which refers to the laxative leaves and pods. Species alexandrina means from Alexandria, Egypt.
      Ethnobotanical Uses :
      Medicinal (The dried leaflet and dried pods are used in the treatment of constipation.)
  • Landscaping Features
    • Desirable Plant Features :
      Ornamental Flowers
      Plant & Rootzone Preference/Tolerance :
      Moist Soils, Well-Drained Soils
      Landscape Uses :
      Parks & Gardens, Small Gardens
  • Plant Care & Propagation
    • Light Preference :
      Full Sun, Semi-Shade
      Water Preference :
      Moderate Water
      Propagation Method :
      Seed
  • Foliar
    • Foliage Retention :
      Evergreen
      Mature Foliage Colour(s) :
      Green
      Mature Foliage Texture(s) :
      Smooth
      Foliar Type :
      Compound
      Foliar Arrangement Along Stem :
      Alternate
  • Floral (Angiosperm)
    • Flower Colour(s) :
      Yellow / Golden
      FlowerTexture(s) :
      Smooth
      Flower Grouping :
      Cluster / Inflorescence
      Flower Location :
      Terminal
  • Fruit, Seed & Spore
    • Mature Fruit Colour(s) [Angiosperms & Gymnosperms] :
      Brown
      Mature Fruit Texture(s) :
      Rough
      Mature Seed Colour(s) :
      Brown
      Seed Quantity per Fruit :
      Moderate (6-10)
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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