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  Kopsia singapurensis Ridl.
  Family Name : Apocynaceae

  Common Names : Singapore Kopsia, White Kopsia, Selada

 
Singapore Kopsia,White Kopsia,Selada
  • 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 :
      Tree (Shrubby (1m-5m); Small (6m-15m)), Shrub (Woody)
      Lifespan (in Singapore) :
      Perennial
      Mode of Nutrition :
      Autotrophic
      Plant Shape :
      Rounded, Conical
      Maximum Height :
      5 m to 8 m
      Maximum Plant Spread / Crown Width :
      6 m to 8 m
  • Biogeography
    • Native Distribution :
      Peninsular Malaysia, Singapore
      Native Habitat :
      Terrestrial (Primary Rainforest; Freshwater Swamp Forest; Riverine)
      Preferred Climate Zone :
      Tropical
      Local Conservation Status :
      Native to Singapore (Critically Endangered (CR))
  • Description & Ethnobotany
    • Plant Morphology :
      Growth Form: It is a small evergreen tree up to 12 m tall with a conical crown. Its slightly flaky bark is greyish to light silvery brownish. White latex is produced on cut surfaces.
      Foliage: Its opposite, stalked leaves have rather leathery to leathery leaf blades that are about 6.1–26 by 2.7–11.4 cm. The oval leaf blades are gradually narrowed to a blunt tip of 1.3 cm long.
      Flowers: Its flowering clusters are 3.512.5 cm long. Its flowers are white, each with 5 petals that are fused to form a tube and 5 free lobes. The throat of the tube is red. The flowers are usually 2.5–3.8 cm wide, but they can reach up to 7.6 cm.
      Fruits: Its dull red fruits are flattened, somewhat triangular in shape, and up to 1.9 cm wide.
      [Others]: Species endemic to lowland and freshwater swamp forests of Singapore and Peninsular Malaysia. Threatened with habitat loss and categorized as "Critically Endangered" in Singapore. Historical significance: Used as a substitute for ceremonial ribbon during opening of rebuilt herbarium in Singapore Botanic Gardens in 1964.Hardy plant tolerant of waterlogged soils. Suitable as big shrub or small tree for screening and hedge. Cut surfaces produce white latex.
      Habitat :
      It grows in lowland evergreen forest, swamp forest and on river banks, up to 600 m in altitude. It occurs locally in Nee Soon Swamp Forest.
      Cultivation :
      It can be propagated by seed and stem cutting.
      Etymology :
      Latin Kopsia, commemorating J. Kops, a Dutch botanist; Latin singapurensis, from Singapore, referring to one locality in the natural distribution of this species
      Ethnobotanical Uses :
      Medicinal
  • Landscaping Features
    • Landscaping :
      It is suitable for parks and waterlogged areas.
      Desirable Plant Features :
      Ornamental Flowers, Fragrant (Flowers)
      Plant & Rootzone Preference/Tolerance :
      Moist Soils, Waterlogged Soils (Drains Site), Well-Drained Soils, Fertile Loamy Soils, Easy to Grow, [Remarks] (Tolerant of most types of soils, especially waterlogged soils.)
      Landscape Uses :
      General, Roadside Tree / Palm, Parks & Gardens, Small Gardens, Hedge / Screening, Riverine, Marsh / Bog, Shade Providing Tree / Palm
      Thematic Landscaping :
      Naturalistic Garden
      Usage Hazards / Cons :
      Irritant - Sap, [Remarks] (Latext from cut plant surfaces may be toxic.)
  • Fauna, Pollination & Dispersal
    • Pollination Method(s) :
      Biotic (Fauna)
      Seed / Spore Dispersal :
      Abiotic
  • Plant Care & Propagation
    • Light Preference :
      Full Sun, Semi-Shade
      Water Preference :
      Lots of Water, Moderate Water
      Plant Growth Rate :
      Moderate
      Maintenance Requirements :
      Moderate
      Pruning :
      Periodic pruning needed to prevent crown from becoming untidy.
      Propagation Method :
      Seed, Stem Cutting
  • Foliar
    • Foliage Retention :
      Evergreen
      Mature Foliage Colour(s) :
      Green
      Mature Foliage Texture(s) :
      Leathery
      Foliar Arrangement Along Stem :
      Opposite
      Foliar Shape(s) :
      Non-Palm Foliage (Oval; Oblong)
      Foliar Venation :
      Pinnate / Net
      Foliar Margin :
      Entire
      Foliar Apex / Tip :
      Cuspidate
      Foliar Base :
      Acute
      Typical Foliar Area :
      Mesophyll ( 45cm2 - 182.25 cm2 )
      Leaf Area Index (LAI) * for Green Plot Ratio :
      3.0 (Tree - Intermediate Canopy)
  • Non-Foliar & Storage
    • Trunk Type (Non-Palm) :
      Woody
      Stem Type & Modification :
      Woody
      Root Type :
      Underground (Tap Root; Fibrous Root)
  • Floral (Angiosperm)
    • Flower & Plant Sexuality :
      Bisexual Flowers
      Flower Colour(s) :
      Red, White
      Flower Grouping :
      Cluster / Inflorescence
      Flower Symmetry :
      Radial
      Individual Flower Shape :
      Trumpet-shaped
      Inflorescence Type :
      Cyme
      Flowering Period :
      Free-Flowering
      Flower Lifespan On Plant :
      1 Day
      Flowering Habit :
      Polycarpic
  • Fruit, Seed & Spore
    • Mature Fruit Colour(s) [Angiosperms & Gymnosperms] :
      Red
      Fruit Classification :
      Simple Fruit
      Fruit Type :
      Fleshy Fruit (Non-Accessory Fruit: Drupe)
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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