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  Alpinia aquatica (Retz.) Roscoe.
  Family Name : Zingiberaceae

  Synonyms : Alpinia melanocarpa, Languas melanocarpa

  Common Names : Aquatic Ginger, Aquatic Galangal

  Chinese Name : 水山姜

 
Aquatic Ginger,Aquatic Galangal
  • Record Info
    • Featured in '1001 Garden Plants in Singapore' Book (2ed) :
      False
  • Life Stage & Characteristics
    • Plant Division :
      Angiosperms (Flowering Seed Plants) (Monocotyledon)
      Plant Growth Form :
      Shrub (Herbaceous)
      Lifespan (in Singapore) :
      Perennial
      Mode of Nutrition :
      Autotrophic
      Plant Shape :
      Irregular
      Maximum Height :
      2 m
  • Biogeography
    • Native Distribution :
      Singapore, China (Yunnan), South India and West Malesia
      Native Habitat :
      Terrestrial (Primary Rainforest; Secondary Rainforest; Coastal Forest; Freshwater Swamp Forest; Riverine), Shoreline (Backshore)
      Preferred Climate Zone :
      Tropical
      Local Conservation Status :
      Native to Singapore (Critically Endangered (CR))
  • Description & Ethnobotany
    • Plant Morphology :
      Growth Form: It is a herb consisting of a horizontally growing stem (rhizome) from which several "shoots" arise. These shoots, up to 2 m tall consist of the leaf sheaths of consecutive, alternate leaves wrapped around each other. Plant parts contain aromatic oils, so exude a fragrance when they are crushed.
      Foliage: Each leaf consists a long leaf sheath and a lance-shaped leaf that is 15-20 cm long and 5-6 cm wide.
      Flowers: Its 19 mm long flowers develop on shoots that are up to 15 cm long, and have white or pale pink petals.
      Fruits: Its pea-like black fleshy fruit is one-seeded.
      Habitat :
      It grows in sandy beaches and swamp forests. It is found locally in Pulau Semakau and widely planted in HortPark, Kent Ridge Park and Singapore Botanic Gardens (Ginger Garden).
      Associated Fauna :
      Its flowers are pollinated by bees and the fruits are eaten by birds. It is also the host plant for the Chocolate Demon butterfly (Ancistroides nigrita maura).
      Cultivation :
      It can propagated by seed or division of the rhizome.
      Etymology :
      Latin, Alpinia, after Prosper Alpino (1553-1617), an Italian botanist who introduced coffee and bananas to Europe. Latin, aquatica, living in water, referring to the growing conditions of this plant species.
      Ethnobotanical Uses :
      None
  • Landscaping Features
    • Landscaping :
      It is suitable for parks, gardens, and also for edges of ponds and waterlogged soil.
      Desirable Plant Features :
      Ornamental Flowers
      Plant & Rootzone Preference/Tolerance :
      Moist Soils, Waterlogged Soils (Drains Site; Does not Drain Site), Saline Soils / Salt Spray, Fertile Loamy Soils
      Landscape Uses :
      Parks & Gardens, Small Gardens, Coastal, Beachfront / Shoreline, Riverine, Marsh / Bog
      Thematic Landscaping :
      Naturalistic Garden, Water Garden, Marsh Garden
  • Fauna, Pollination & Dispersal
    • Associated Fauna :
      Bird-Attracting (Fruits), Caterpillar Food Plant (Leaves; Associated with: Ancistroides nigrita)
      Pollination Method(s) :
      Biotic (Fauna)
      Seed / Spore Dispersal :
      Biotic (Fauna)
  • Plant Care & Propagation
    • Light Preference :
      Full Sun, Semi-Shade
      Water Preference :
      Lots of Water, Moderate Water
      Propagation Method :
      Storage Organ, Division
  • Foliar
    • Foliage Retention :
      Evergreen
      Mature Foliage Colour(s) :
      Green
      Foliar Type :
      Simple / Unifoliate
      Foliar Arrangement Along Stem :
      Alternate
  • Floral (Angiosperm)
    • Flower & Plant Sexuality :
      Bisexual Flowers
      Flower Colour(s) :
      Pink, White
      Flower Grouping :
      Cluster / Inflorescence
      Flower Location :
      Axillary
      Flower Symmetry :
      Bilateral
  • Fruit, Seed & Spore
    • Mature Fruit Colour(s) [Angiosperms & Gymnosperms] :
      Black
      Fruit Classification :
      Simple Fruit
      Fruit Type :
      Fleshy Fruit (Non-Accessory Fruit: Berry)

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