noun
Primula tosaensis (a species of primrose)
A specific primrose species native to Japan; botanical term.
イワザクラは春に小さな花を咲かせる。
Primula tosaensis blooms small flowers in spring.
The name literally means 'rock cherry blossom', from 岩 (iwa, 'rock') and 桜 (sakura, 'cherry blossom'), referring to its habitat and flower appearance.