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Hananigana Ixeris dentata var. albiflora f. amplifolia

  • Japanese: ハナニガナ Hananigana
  • Scientific name: Ixeris dentata var. albiflora f. amplifolia


  • Taken: 6 May 2004 09:26 (Hosokawa, Ikeda city)
  • Photographer: Yokota


  • Taken: 18 May 2004 09:57 (Hosokawa, Ikeda city)
  • Photographer: Yokota

Scientific classification

  • Kingdom: Plantae
  • Division: Magnoliophyta
  • Class: Magnoliopsida
  • Sub Class: Asterdiae
  • Order: Asterales
  • Family: Asteraceae
  • Genus: Ixeris
  • Species: dentata



Hananigana(Ixeris dentata var. albiflora f. amplifolia) is a perennial plant of the genus Ixeris in the family Asteraceae.This is a race of Shirobananigana(Ixeris dentata var. albiflora), that is a variety of Nigana(Ixeris dentata).


Japanese name Hananigana(Flowering Bitter Green) derives from similar to Nigana(Bitter Green), whose sap is bitter, and having more florets(meaning "small flowers") than Nigana.


The flower season is from May to July. It blooms a flower which is about 2cm and consists of about 7-11 yellow ray flowers. And it is bigger than Nigana.

Leaves and Stems

Stems are between 40cm to 70cm. Upper stem ramify into several stems having flowers. It is higher than Nigana.


The habitat is the brae and the grass which catch the sun.


Obananigana(Big Flowering Bitter Green) - A variety of Nigana and flowers are bigger.

External links

Gunma University - Botanical Garden

Cycling diary, flower picture book

Nei's olost

Google"Ixeris dentata"

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