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  Neptunia plena (L.) Benth.
  Family Name : Fabaceae (Leguminosae)

  Synonyms : Desmanthus plenus, Mimosa punctata, Acacia lycopodioides, Neptunia surinamensis, Neptunia polyphylla, Mimosa plena

  Common Names : Aquatic Sensitive Plant, Water Sensitive Plant, Water Dead-and-Awake, Water Mimosa

  Chinese Name : 假含羞草, 水合歡

 
Aquatic Sensitive Plant,Water Sensitive Plant,Water Dead-and-Awake,Water Mimosa
  • Record Info
    • Featured in '1001 Garden Plants in Singapore' Book (2ed) :
      True
  • Life Stage & Characteristics
    • Plant Division :
      Angiosperms (Flowering Seed Plants) (Dicotyledon)
      Plant Growth Form :
      Shrub (Woody; Trailing), Aquatic & Hydrophyte (Waterside / Marginal)
      Lifespan (in Singapore) :
      Perennial
      Mode of Nutrition :
      Autotrophic
      Plant Shape :
      Shrubby
      Maximum Height :
      1 m to 2 m
  • Biogeography
    • Native Distribution :
      South-central USA (Texas), Mexico, Central America, Caribbean, Tropical South America
      Native Habitat :
      Terrestrial (Riverine; Disturbed Area / Open Ground)
      Preferred Climate Zone :
      Tropical, Sub-Tropical / Monsoonal
  • Description & Ethnobotany
    • Plant Morphology :
      Growth Form: An aquatic , herbaceous perennial. It is an aquatic floater and has an erect to ascending growth form. 
      Foliage: The leaves are bi-pinnate compound and are sensitive to touch. 
      Stems: The stems are surrounded by masses or white spongy tissue to buoy the plant when in contact with water. The stems are branching and erect when on land. 
      Flowers: The flowers are yellow. 
      Fruits: The fruits come in the form of flat, oblong pods which are located as bunches on the end of the flowering stalk. The pods split open to release brown, ovoid seeds.  
      Cultivation :
      It is best grown under full sun, in waterlogged soils. 
      Ethnobotanical Uses :
      None
  • Landscaping Features
    • Desirable Plant Features :
      Ornamental Flowers, Ornamental Foliage
      Plant & Rootzone Preference/Tolerance :
      Waterlogged Soils (Drains Site)
      Landscape Uses :
      Riverine
      Thematic Landscaping :
      Naturalistic Garden, Water Garden
      Usage Hazards / Cons :
      Invasive / Potentially Invasive
  • Fauna, Pollination & Dispersal
    • Associated Fauna :
      Caterpillar Food Plant, Bee-Attracting
      Seed / Spore Dispersal :
      Abiotic (Explosive Dehiscence)
  • Plant Care & Propagation
    • Light Preference :
      Full Sun
      Water Preference :
      Lots of Water
  • Foliar
    • Foliage Retention :
      Evergreen
      Mature Foliage Colour(s) :
      Green, Silver / Grey
      Mature Foliage Texture(s) :
      Smooth
      Prominent Young Flush Colour(s) :
      [Remarks] (Brownish-red)
      Foliar Modification :
      Stipule
      Foliar Type :
      Compound (Even-Pinnate)
      Foliar Margin :
      Entire
      Leaf Area Index (LAI) * for Green Plot Ratio :
      4.5 (Shrub & Groundcover - Dicot)
  • Non-Foliar & Storage
    • Stem Type & Modification :
      Woody
      Root Type :
      Underground (Tap Root)
  • Floral (Angiosperm)
    • Flower & Plant Sexuality :
      Bisexual Flowers
      Flower Colour(s) :
      Yellow / Golden
      Inflorescence Type :
      Spike
      Flowering Period :
      Free-Flowering
      Flowering Habit :
      Polycarpic
  • Fruit, Seed & Spore
    • Mature Fruit Colour(s) [Angiosperms & Gymnosperms] :
      Brown
      Fruit Classification :
      Simple Fruit
      Fruit Type :
      Dehiscent Dry Fruit (Legume / Pod)

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