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Adenia macrophylla var. singaporiana
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  Bulbophyllum singaporeanum Schlechter
  Family Name : Orchidaceae

 
  • Record Info
  • Life Stage & Characteristics
    • Plant Division :
      Angiosperms (Flowering Seed Plants) (Monocotyledon)
      Plant Growth Form :
      Epiphyte
      Mode of Nutrition :
      Autotrophic
  • Biogeography
    • Native Distribution :
      Singapore and Peninsula Malaysia
      Native Habitat :
      Terrestrial (Primary Rainforest; Freshwater Swamp Forest)
      Preferred Climate Zone :
      Tropical
      Local Conservation Status :
      Native to Singapore (Critically Endangered (CR))
  • Description & Ethnobotany
    • Plant Morphology :
      Growth Form: Epiphytic shrub that has been observed to likely begin its life in a terrestrial habit.
      Roots: Rhizomes long and thin, covered closely with leaf sheaths of about 4 mm thick.
      Foliage: Leaves glossy dark green, narrowly linear, about 30 cm long and 4 cm wide, the underside suffused with a degree of purple. Youngest, yet to be fully opened leaf completely purple.
      Stems: Pseudobulb (= a bulbous thickening on the stems of many epiphytic orchids) about 5 cm long and 6 mm wide, slightly flattened, distance between pseudobulbs about 10 cm.
      Flowers: Inflorescence stalk leafless, about 1.5 cm long, covered with long sheaths. Flowers small, numerous on the inflorescence, the flower-bearing portion about 4 cm long. Flower pale purplish-green in colour with dark purple spots, not open completely. Flower stalk and ovary 5 mm long. Lateral sepals 1.4 cm long, their lower edge continuing almost in the line of the mentum (= a projection formed by the extension of the base of the column in some orchids), with the area towards the apex strongly keeled and acute. Petals 7 mm long by 3 mm wide, with a pointed apex. Lip is 6 mm long, 4 mm wide at the base, curved strongly with a pointed tip, its upper surface deeply grooved throughout, almost to the tip. Flowers from a living nursery specimen have been observed to emit a very unpleasant smell, somewhat like rotting fish.
      Associated Fauna :
      Small flies have been observed flying around the flowers.
      Etymology :
      The genus name, "Bulbophyllum" is derived from Greek, meaning "bulb-leaved", while the specific epithet, "singaporeanum", is derived from "Singapore", where it was first collected.
      Ethnobotanical Uses :
      None
  • Plant Care & Propagation
    • Light Preference :
      Semi-Shade
      Water Preference :
      Moderate Water, Occasional Misting
      Propagation Method :
      Seed, Stem Cutting (Herbaceous)
      Propagule Establishment Remarks :
      Known to be picky and not easy to grow in cultivation. Cuttings may be mounted on fern bark, covered by a layer of sphagnum moss and placed under 50% shade and watered twice a day.
  • Foliar
    • Foliage Retention :
      Evergreen
      Mature Foliage Colour(s) :
      Green, Purple, [Remarks] (Glossy dark green on the top surface, underside suffused with a degree of purple.)
      Mature Foliage Texture(s) :
      Glossy / Shiny
      Prominent Young Flush Colour(s) :
      Purple, [Remarks] (Youngest partially opened leaf completely purple.)
      Young Flush Texture(s) :
      Glossy / Shiny
      Foliar Type :
      Simple / Unifoliate
      Foliar Attachment to Stem :
      Petiolate
      Foliar Shape(s) :
      Non-Palm Foliage (Linear)
  • Floral (Angiosperm)
    • Flower Colour(s) :
      Green, Purple, [Remarks]
      Flower Grouping :
      Cluster / Inflorescence
      Flower Symmetry :
      Bilateral
  • Fruit, Seed & Spore
    • Fruit Type :
      Dehiscent Dry Fruit (Capsule)
  • References
    • Yam, T.W., P.K.F. Leong, P.T. Chew, D. Liew and W.K.H. Ng. 2010. The Re-discovery & Conservation of Bulbophyllum singaporeanum. Gardenwise. Vol. 35. Pp. 14-17

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