Usagigiku

Arnica unalascensis var. tschonoskyi

Flower name
Usagigiku
Scientific name
Arnica unalascensis var. tschonoskyi
Alias兎菊, キングルマ
Place of originJapan, Chishima, and Aleutian
Place of floweringHigh mountain
Flowering seasonJuly, August

What is Usagigiku

Usagigiku (scientific name: Arnica unalascensis var. Tschonoskyi) is native to Japan, Chishima, and Aleutian and is an alpine perennial in the family Asteraceae.
In Japan, it grows naturally on alpine meadows Hokkaido to north of Chubu.
The plant height is low, and the flower is a single flower with a yellow head flower. The leaves are green spatula and have 5 veins.
The flower name is a plant of the Asteraceae family, and the opposite leaves look like rabbit ears.
It is also called 'King Luma' because it has a yellow tongue flower that surrounds a yellow, round, cylindrical flower in the center.
The parent species in the naming is Ezorabiku (Ezo rabbit chrysanthemum, scientific name: Arnica unalascensis) and is similar.
The difference between the two is that the tubular part of the tubular flower is hairy, which is rabbit chrysanthemum (A. unalascensis var. Tschonoskyi), and the hairless part is Ezo rabbit chrysanthemum (scientific name: Arnica unalascensis).
The variable name 'tschonoskyi' is dedicated to Chonosuke Sugawa.

Detailed information about rabbits

General name: Usagigiku, Scientific name: Arnica unalascensis var. Tschonoskyi,
Plant height: 15 to 35 cm, flower diameter: 4 to 4.5 cm, leaf shape: spatula, 5 veins, phyllophyte: opposite,
Flower color: yellow, inflorescence: single flower, corolla: head flower, flower diameter: 4 to 4.5 cm, flowering period: July to August,
Fruit type: thin.