gooseneck loosestrife

Lysimachia clethroides

  • gooseneck loosestrife
  • gooseneck loosestrife
  • gooseneck loosestrife
  • gooseneck loosestrife
  • gooseneck loosestrife
  • gooseneck loosestrife
  • gooseneck loosestrife
  • gooseneck loosestrife
  • gooseneck loosestrife
  • gooseneck loosestrife
  • gooseneck loosestrife
  • gooseneck loosestrife
  • gooseneck loosestrife
  • gooseneck loosestrife
  • Flower name
    gooseneck loosestrife
  • Scientific name
    Lysimachia clethroides
  • Alias丘虎の尾, Gooseneck, Okatrano, loosestrife
  • Place of originJapan, Korean peninsula, China
  • Place of floweringFields and footpaths, Low mountains
  • Flowering seasonJune, July
  • Language of flowersFaithful

What is gooseneck loosestrife

Gooseneck loosestrife or Okatrano (scientific name: Lysimachia clethroides) is native to Japan etc. and is a cold-resistant perennial grass of the family Primulae . In the field, it grows by extending the rhizomes. In the summer, a long flower inflorescence is extended from the tip of the flower stalk, and many white small flowers blooming at the tip 5 with a cup shaped petal bloom. The genus' name 'Lysimachia' is a contribution to King Macedonia 'Lysimachus', species's name 'clethroides' means that it resembles the genus 'Clethra'.The Japanese name 'Oka tora no o' is based on the fact that the appearance that the long flower striking in the hill bloomed like a tiger's tail(Tora no O). Since flowers bloom from bottom to top, the flowers in the lower part will begin to wither before the flowers at the tip bloom. Leaves turn red in autumn and are beautiful. Flower language is "loyal".

Name: Gooseneck loosestrife, aka: Okatrano, scientific name: Lysimachia clethroides, Place of Origin: Japan, Korea Peninsula, China, Habitat Distribution: Hokkaido to Kyushu's Japan and Korean peninsula, China, Environment: sunny hill, plant height: 90 cm, petiole: yes, yes, leaves: alternate, leaf margin: all edges, leaf shape: oblong, leaf height: 10 cm, leaf width: 3.5 cm, leaf color : Flower color: white, flower color: white, flowering period: June to July, fruit: green → red (in autumn), inflorescence shape: rhinocerus inflorescence, inflorescence height: 20 cm, corolla shape: cup- Type: fruit, fruit shape: spherical, fruit diameter: 2.5 cm.


  • Eye
    Ericales
  • Family
    Primulaceae
  • Genus
    Lysimachia
  • Species
    L. clethroides
  • Type of flower
    Radial symmetrical flower
  • Array of flower
    Gross inflorescence
  • Petal shape
    Cup-shaped
  • Leaf type
    oblong
  • Edge of the leaf
    All edges
  • Life typeCold hardiness of years grass
  • Flower colorsWhite
  • Colors of the leavesGreen
  • Fruit colorGreen
  • Height60.0 ~ 100.0 cm
  • Diameter of flower1.0 ~ 1.0 cm

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