hairyflower bellflower
A specific plant species, Campanula chamissonis, native to Japan and surrounding regions. The name refers to the Kuril Islands (千島).
The hairyflower bellflower is an alpine plant found in Hokkaido and the Kuril Islands.
It is usually written in kana. Katakana is common for plant names.
Kanji spelling is acceptable but less common; the plant is usually written in katakana.
From 千島 (Chishima, 'Kuril Islands') + 桔梗 (kikyō, 'bellflower'). The katakana spelling reflects the usual convention for plant names.