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Adenia macrophylla var. singaporiana
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  Orania sylvicola (Griff.) H.E. Moore
  Family Name : Arecaceae (Palmae)

  Common Names : Ibul

  • Record Info
  • Life Stage & Characteristics
    • Plant Division :
      Angiosperms (Flowering Seed Plants)
      Plant Growth Form :
      Palm (Solitary Palm)
      Maximum Height :
      20 m
  • Biogeography
    • Native Distribution :

      Southern Thailand to Peninsular Malaysia, Singapore, and Sumatra

      Native Habitat :
      Preferred Climate Zone :
      Local Conservation Status :
      Native to Singapore (Critically Endangered (CR))
  • Description & Ethnobotany
    • Plant Morphology :
      Growth Form:

      It is a single-trunked, canopy to emergent palm, up to 20 m tall, with a trunk girth of up to 45 cm. The trunk is grey with rings and knobs. Its medium- to large-sized pinnate leaves spread spirally, rising or drooping from the tip of the trunk.


      Its spirally arranged, stalked, medium- to large-sized leaves are pinnate, with 60–75 leaflets arranged regularly on each side of the rachis, and 3.6 by 1.5 m. The leaflets are narrowly drop-shaped, with jagged tips, green above, greyish below, and 75–100 by 5–8 cm.


      Its small flowers are borne on a 3–5-branched, spreading inflorescence, 75–90 cm long. The inflorescences are usually borne amongst the leaves. The male flowers are oblong, while the female flowers are roundish.


      Its greenish yellow to yellow fruits are round and 3.5–4 cm.

      Habitat :

      It grows in wet lowland forests, often in wet areas. It occurs locally in the Bukit Timah Nature Reserve and in the vicinity of MacRitchie Reservoir.

      Etymology :

      Orania, commemorating  F.G.L. Willem van Nassau, the Prince of Orange (Oranje) and the Crown Prince of the Netherlands (1792–1849); Latin sylvicola, growing in forests, referring to the habitat this species thrives in.

      Ethnobotanical Uses :
  • Landscaping Features
    • Landscaping :

      This plant is suitable for planting in moist, partially-shaded or open areas for its attractive, pinnate foliage.

      Desirable Plant Features :
      Ornamental Foliage
      Plant & Rootzone Preference/Tolerance :
      Moist Soils
  • Plant Care & Propagation
    • Light Preference :
      Full Sun, Semi-Shade
      Water Preference :
      Lots of Water, Moderate Water
      Plant Growth Rate :
  • Foliar
    • Mature Foliage Colour(s) :
      Foliar Shape(s) :
      Palm Fronds (Pinnate / Feather)
  • Fruit, Seed & Spore
    • Mature Fruit Colour(s) [Angiosperms & Gymnosperms] :
      Green, Yellow / Golden
  • References
    • Dransfield, J., Uhi, N.W., Asmussen, C.B., Baker, W.J., Harley, M.M. & Lewis, C.E. . 2008. Genera Palmarum. The Evolution and Classification of Palms. . United Kingdom: Kew Publishing. 732

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