Primula tosaensis (a species of primrose)
A specific primrose species native to Japan; botanical term.
Primula tosaensis blooms small flowers in spring.
Katakana spelling is common for this plant name; usually written in kana.
Kanji spelling exists but is rarely used; the word is usually written in kana.
The name literally means 'rock cherry blossom', from 岩 (iwa, 'rock') and 桜 (sakura, 'cherry blossom'), referring to its habitat and flower appearance.