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  Timonius wallichianus (Korth.) Valeton
  Family Name : Rubiaceae

  Synonyms : Adina wallichiana, Timonius rumphii, Adina hexasperma, Adina microphylla

  Common Names : Silver Timon, Triang, Berombong, Merombong, Tabah

 
Silver Timon,Triang,Berombong,Merombong,Tabah
  • 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 (Small (6m-15m))
      Lifespan (in Singapore) :
      Perennial
      Mode of Nutrition :
      Autotrophic
      Plant Shape :
      Irregular
      Maximum Height :
      7 m
  • Biogeography
    • Native Distribution :
      Peninsular Malaysia and Singapore
      Native Habitat :
      Terrestrial (Secondary Rainforest; Riverine; Disturbed Area / Open Ground)
      Preferred Climate Zone :
      Tropical
      Local Conservation Status :
      Native to Singapore (Common)
  • Description & Ethnobotany
    • Plant Morphology :
      Growth Form: It is a tree up to 7 m tall.
      Foliage: Its opposite, stalked leaves have leaf blades that are lance-shaped, narrowed to both ends, hairless above but densely silvery hairy below, and 8.8 by 4.4 cm, with 7 pairs of veins.
      Flowers: Plants are unisexual with individuals bearing only male or female flowers. Male flowers develop in stalked, axillary, many-flowered clusters. Female flowers develop in stalked axillary clusters of 3–5 flowers each. Its corolla (petal) is yellow and 0.74 cm long. Its calyx (sepal) is slightly round. In the flower of both sexes, the green, 4-lobed calyx is short-hairy and the yellow corolla has 4 lobes each.
      Fruits: Its fruit is ellipsoid, 4-lobed, finely hairy, and about 9 mm long. Each fruit has pyrenes (seed covered by the hard inner fruit wall) that are slightly curved and linear-oblong.
      Habitat :
      It grows in open country and at the edges of forests.
      Associated Fauna :
      It is the preferred local food plant for caterpillars of the butterfly commander (Moduza procris), the adults of which usually lay their eggs singly at the leaf blade tip of the plant. The flowers are pollinated by butterflies and other insects. Its fruits are eaten and dispersed by birds.
      Cultivation :
      It can be propagated by seed.
      Etymology :
      Latin Timonius, a Malayan vernacular name; Latin wallichianus, commemorating Nathaniel Wallich (1786–1854), a Danish botanist and author
      Ethnobotanical Uses :
      None
  • Landscaping Features
    • Landscaping :
      It is suitable for parks.
      Desirable Plant Features :
      Ornamental Flowers
      Plant & Rootzone Preference/Tolerance :
      Moist Soils, Well-Drained Soils, Fertile Loamy Soils
      Landscape Uses :
      General, Parks & Gardens, Small Gardens
  • Fauna, Pollination & Dispersal
    • Associated Fauna :
      Butterfly Food Plant, Caterpillar Food Plant (Leaves; Associated with: Moduza procris)
      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 :
      Seed
  • Foliar
    • Foliage Retention :
      Evergreen
      Mature Foliage Colour(s) :
      Green
      Mature Foliage Texture(s) :
      Velvety / Furry / Tomentose, Hairy / Hirsute, Raised / Sunken Veins
      Foliar Type :
      Simple / Unifoliate
      Foliar Arrangement Along Stem :
      Opposite
      Foliar Attachment to Stem :
      Petiolate
      Foliar Shape(s) :
      Non-Palm Foliage (Lanceolate; Elliptical)
      Foliar Venation :
      Pinnate / Net
      Foliar Margin :
      Entire
      Foliar Apex / Tip :
      Acute
      Foliar Base :
      Acute
      Leaf Area Index (LAI) * for Green Plot Ratio :
      3.0 (Tree - Intermediate Canopy)
  • Floral (Angiosperm)
    • Flower & Plant Sexuality :
      Unisexual Flowers (Dioecious)
      Flower Colour(s) :
      Cream / Off-White, White, Yellow / Golden
      Flower Grouping :
      Cluster / Inflorescence
      Flower Location :
      Axillary
      Flower Symmetry :
      Radial
      Individual Flower Shape :
      Tubular
  • Fruit, Seed & Spore
    • Mature Fruit Texture(s) :
      Hairy / Hirsute
      Fruit Classification :
      Simple Fruit
      Fruit Type :
      Fleshy Fruit (Non-Accessory Fruit: Berry)

   Last updated on:

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