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  Nepenthes gracilis Korth.
  Family Name : Nepenthaceae

  Synonyms : Nepenthes korthalsiana, Nepenthes longinodis, Nepenthes laevis, Nepenthes angustifolia

  Common Names : Slender Pitcher Plant, Periok Kera, Monkey Cup

  Chinese Name : 猪笼草

Slender Pitcher Plant,Periok Kera,Monkey Cup
  • Record Info
    • Featured in '1001 Garden Plants in Singapore' Book (2ed) :
  • Life Stage & Characteristics
    • Plant Division :
      Angiosperms (Flowering Seed Plants) (Dicotyledon)
      Plant Growth Form :
      Climber, Vine & Liana, Shrub (Trailing)
      Lifespan (in Singapore) :
      Perennial, Semi-Annual / Annual-Like
      Mode of Nutrition :
      Plant Shape :
      Maximum Height :
      6 m to 15 m
      Maximum Plant Spread / Crown Width :
      6 m
  • Biogeography
    • Native Distribution :
      Thailand, Malaysia, Singapore, Indonesia (Sumatra, Celebes, Kalimantan), Brunei
      Native Habitat :
      Terrestrial (Secondary Rainforest)
      Preferred Climate Zone :
      Local Conservation Status :
      Native to Singapore (Common)
  • Description & Ethnobotany
    • Plant Morphology :
      Growth Form: Low climbing shrub, growing to a maximum of 15 m, with slender pitchers. 
      Foliage: Leaves are linear-lanceolate, sessile and often glabrous. Leaves are 6 – 12 cm long and 2 – 4 cm wide. Leaf base are decurrent and tendrils without pitchers are shorter than those with pitchers. Pitchers (modified leaves) are cylindrical and inflated at the base and constricted at the middle, giving a slender appearance. About 4 – 5 cm high and 1 cm wide, pitchers also have two fringed wings. Usually light green with fine purple spots on the inner surface, some varieties can be pure dark purple or green with purple spots on the outer surface. Peristome ribs are inconspicuous and teeth are short. Orbicular lids (2.5 – 2.5 cm wide) have few nectar glands. Digestive glands are exposed and seen on the inner cavity of the pitcher.  
      Stems: Stems are angular (3 – 5 mm thick) and glabrous with internodes about 3 – 9 cm long.
      Flowers: Racemes inflorescences (10 – 40 cm long) are hermaphrodites (having both male and female inflorescence in each plant) and flowers lack petals.
      Fruits: Capsules are 2 – 3 cm long, glabrous, curved and brown with seeds about 1.5 cm long.
      Habitat :
      Lowland peat swamp forests or disturbed areas with poor soils.
      Etymology :
      Genus Nepenthes means without grief in Greek. 
      species epithet gracilis means slender in Latin which refers to the slender shape of the pitcher. 
      Ethnobotanical Uses :
      Food (Herb & Spice)
      [Others]: Medicinal: Powdered root used in Malay folk medicine to treat gastrointestinal disorders, stomachache, dysentery, and as poultice. Stem infusion used to relieve coughs and fevers. Also thought to be effective as emetic to induce vomitting. Fluids from unopened pitchers used as laxatives, as well as to treat burns and skin disorders. Products: Tough climbing stems used to make ropes. Culture: Pitchers reportedly used by Malay bomohs (shamans) for spirit exorcisms, and in religious rites to bring rain.
  • Landscaping Features
    • Desirable Plant Features :
      Ornamental Foliage
      Plant & Rootzone Preference/Tolerance :
      Waterlogged Soils (Drains Site), Well-Drained Soils, Poor Infertile Soils, Acidic (low pH) Soils, Easy to Grow
      Landscape Uses :
      Container Planting, Hanging Basket
      Thematic Landscaping :
      Naturalistic Garden, Carnivorous Garden
  • Fauna, Pollination & Dispersal
    • Pollination Method(s) :
      Biotic (Fauna) (Insects (Butterfly, Moth); Insects (Ant, Beetle, Fly, Thrip, Wasp); Associated with: Flowers of both sexes visited by Pyralid moths (Snout Moth, Pyralidae) at night & by Calliphorid flies (Blowflies, Calliphoridae) in evening.)
      Seed / Spore Dispersal :
      Abiotic (Wind; Explosive Dehiscence)
  • Plant Care & Propagation
    • Light Preference :
      Full Sun, Semi-Shade
      Water Preference :
      Moderate Water
      Plant Growth Rate :
      Maintenance Requirements :
      Propagation Method :
      Seed, Stem Cutting
  • Foliar
    • Foliage Retention :
      Mature Foliage Colour(s) :
      Mature Foliage Texture(s) :
      Smooth, Leathery
      Prominent Young Flush Colour(s) :
      [Remarks] (Velvety Reddish-Brown)
      Foliar Modification :
      Pitcher Trap
      Foliar Type :
      Simple / Unifoliate
      Foliar Arrangement Along Stem :
      Foliar Shape(s) :
      Non-Palm Foliage (Oblong)
      Foliar Venation :
      Pinnate / Net
      Foliar Margin :
      Foliar Apex / Tip :
      Typical Foliar Area :
      Microphyll ( 2.25cm2 - 20.25 cm2 )
  • Non-Foliar & Storage
    • Stem Type & Modification :
      Root Type :
      Underground (Fibrous Root)
  • Floral (Angiosperm)
    • Flower & Plant Sexuality :
      Unisexual Flowers (Dioecious)
      Flower Colour(s) :
      Yellow / Golden
      Inflorescence Type :
      Flowering Period :
      Once Yearly
      Flowering Habit :
  • Fruit, Seed & Spore
    • Mature Fruit Colour(s) [Angiosperms & Gymnosperms] :
      Fruit Classification :
      Simple Fruit
      Fruit Type :
      Dehiscent Dry Fruit (Capsule)
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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