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  Asystasia gangetica ssp. micrantha (Nees) Ensermu
  Family Name : Acanthaceae

  Synonyms : Asystasia coromandeliana, Asystasia intrusa, Justicia gangetica

  Common Names : Common Asystasia, Chinese Violet, Creeping Foxglove, Ganges Primrose

  Chinese Name : 十万错花

 
Common Asystasia,Chinese Violet,Creeping Foxglove,Ganges Primrose
  • Record Info
    • Featured in '1001 Garden Plants in Singapore' Book (2ed) :
      True
  • Life Stage & Characteristics
    • Plant Growth Form :
      Shrub
      Maximum Height :
      0.5 m
  • Biogeography
    • Native Distribution :
      India, Malay Peninsula & Africa
  • Description & Ethnobotany
    • Plant Morphology :
      Growth Form: A herbaceous creeping groundcover, commonly found growing as a weed rather than a garden plant. It has a sprawling or weakly climbing habit, and tends to grow into dense mats that smother neighbouring vegetation.
      Foliage: Leaves are green, sparsely hairy, opposite, smooth-edged, and egg-shaped to broadly lanceolate in shape (8 cm long, 4 cm wide).


      Flowers: The flowers are in small, one-sided racemes at the stem tips, with the flowers at the bottom of the raceme opening first. The individual flowers are tubular, white, up to 1 inch (2.5 cm) long, and have 5 rounded lobes, purple, vein-ridged markings on the lower lip, and 4 stamens. This species is free-flowering.
      Fruits: Explosively dehiscent fruits known as capsules are initially green, but becomes brown and dry after dehiscence (3.6 cm long). The fruit resembles an upside down cello and contains 4 whitish to brownish black, circular seeds which are flattened and beaked (5 mm long, 1 mm thick). Fruits contain 3 mm-long hooks which help to propel the seeds further away from the plant during explosive dehiscence.
      Habitat :
      In Australia, this species is considered invasive and a serious threat to native ecosystems.
      Associated Fauna :
      Host plant for the Great Eggfly (Hypolimnas bolina bolina), Autumn Leaf (Doleschallia bisaltide), Blue Pansy (Hypolimnas orithya wallacei) and Jacintha Eggfly (Hyoplimnas bolina jacintha).
      Cultivation :
      This fast-growing species grows best under semi-shade or full shade, but plants grown in full sun require sufficient moisture. It is tolerant of many soil types, but optimal growth occurs in well-drained, but moist soils that are rich in compost. Individuals should be spaced 0.45 - 0.6 m apart. This species  can grow aggressively and should be restrained with pruning. Propagate by seed, stem cuttings or layering.
      Etymology :
      The genus "Asystasia" means inconsistency, referring to radially symmetrical flowers in this genus which is uncommon in the family Acanthaceae. The species epithet "gangetica" was named after the Ganges River in India. This species was likely observed near the Ganges River.
      Ethnobotanical Uses :
      Edible Plant Parts (Edible Leaves)
  • Landscaping Features
    • Desirable Plant Features :
      Ornamental Flowers
      Plant & Rootzone Preference/Tolerance :
      Dry Soils / Drought
  • Fauna, Pollination & Dispersal
    • Associated Fauna :
      Butterfly Food Plant, Caterpillar Food Plant (Leaves; Associated with: Hypolimnas bolina jacintha, Doleschallia bisaltide, Junonia orithya ssp wallacei), Bee-Attracting
  • Plant Care & Propagation
    • Light Preference :
      Full Sun, Semi-Shade
      Water Preference :
      Moderate Water
  • Foliar
    • Mature Foliage Colour(s) :
      Green
      Leaf Area Index (LAI) * for Green Plot Ratio :
      4.5 (Shrub & Groundcover - Dicot)
  • Floral (Angiosperm)
    • Flower Colour(s) :
      Purple, White
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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