Creeping Smartweed

Persicaria longiseta

  • Creeping Smartweed
  • Creeping Smartweed
  • Creeping Smartweed
  • Creeping Smartweed
  • Creeping Smartweed
  • Creeping Smartweed
  • Flower name
    Creeping Smartweed
  • Scientific name
    Persicaria longiseta
  • Aliasアカマンマ, 犬蓼, Smartweed, Creeping Smartweed
  • Place of originIn the world
  • Place of floweringFields and footpaths
  • Flowering seasonApril, May, June, July, August, September, October

What is Creeping Smartweed

Creeping Smartweed (scientific name:Persicaria longiseta) is an annual grass of the genusfamily Polygonaceae. It is also called 'Aka Mamma(Japanese meaning is red rice)' because flowers and buds look purple pink and like red rice. The one that looks like a flower is a calyx, and in fact there is no flower (wreath). Inotades are classified as single flowered flowers (monochlamydeous flower). In single flower-bloomed flowers, there are other items such as Shu-Meigiku (Autumn) and Chestnut.

Generic name: Creeping Smartweed, Scientific name:Persicaria longiseta, Other name: Smartweed, Aka Mamma, Place of origin: Worldwide, Distribution: Hokkaido to Kyushu , Okinawa's Japan, plant hight: 30 cm, leaf order: alternate, leaf shape: lanceolate shape, leaf margin: hair all over the rim, inflorescence: spike or capitulum, Number of sepals: 5, petals: none, Flower color: red, stamen number: 8, flower pillars: 3, flowering period: April - November, fruit type: lean, fruit shape: ovate, fruit color: dark brown covered with red calyx.


  • Order
    Caryophyllales
  • Family
    Polygonaceae
  • Genus
    Persicaria
  • Species
    P. longiseta
  • Type of flower
    Radial symmetrical flower
  • Array of flower
    Spikelet inflorescence
  • Petal shape
    without
  • Leaf type
    lanceolate
  • Edge of the leaf
    All edges
  • Life typeAnnual grass
  • Flower colorsPink
  • Colors of the leavesGreen
  • Fruit colorGreen
  • Height20.0 ~ 40.0 cm
  • Diameter of flower ~ cm

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