Job's tears

Coix lacryma-jobi

  • Job's tears
  • Job's tears
  • Job's tears
  • Job's tears
  • Job's tears
  • Job's tears
  • Flower name
    Job's tears
  • Scientific name
    Coix lacryma-jobi
  • Aliasトウムギ, 唐麦, Coix lacryma-jobi, コイクス・ラクリマヨビ, Job's tears, Juzu-dama
  • Place of originSoutheast Asia
  • Place of floweringRiver, pond
  • Flowering seasonJuly, August, September, October

What is Job's tears

Job's tears or Juzu-dama, (scientific name: Coix lacryma-jobi) is a large annual herbaceous plant of the genus Coix in the Poaceae family, native to Southeast Asia. It is found near waterways in Honshu, Shikoku, Kyushu and Okinawa and grows to a height of 1 to 2 m. The stems are branched and large. The stems branch and grow into large plants. From summer to autumn, spike inflorescences grow from the leaf axils and bear small ears of female and male flowers. Its autumn fruits are shiny, hard and bead-shaped, and fall off when ripe. The fruit has an air layer inside and floats lightly in the water and is carried away to breed in the area where it is harvested. C. lacryma-jobi is the original species of C. lacryma-jobi var. ma-yuen.

Common name: Job's tears, scientific name: Coix lacryma-job, also known as Juzu-dama, Coix lacryma-jobi, origin: native to Southeast Asia,Life-type: Large annual herbaceous plant, Habitat: Near water, Height: 1-2 m, Leaf width: 1-4 cm, Leaf length: 20-50 cm, Inflorescence: Alternate, Leaf shape: Linear, Leaf margin: Sparse, Flower diameter: 0.3-0.6 cm, Flowering time: July-October, Inflorescence: Erect inflorescence, Flower shape: Ears, Color: White, Fruit Diameter: 0.9 cm.


  • Eye
    Poales
  • Family
    Poaceae
  • Genus
    Coix
  • Species
    C. lacryma-jobi
  • Type of flower
    Radial symmetrical flower
  • Array of flower
    Spikelet inflorescence
  • Petal shape
    Small ears
  • Leaf type
    lanceolate
  • Edge of the leaf
    Other
  • Life typelarge annual herbaceous plan
  • Flower colorsWhite
  • Colors of the leavesGreen
  • Fruit colorGreen
  • Height100.0 ~ 200.0 cm
  • Diameter of flower0.3 ~ 0.6 cm

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