- Flower namePrimula tosaensis
- Scientific namePrimula tosaensis
- Alias岩桜, Primula tosaensis, ドサザクラ
- Place of originendemic to Japan
- Place of floweringLow mountains
- Flowering seasonApril, May
What is Primula tosaensis
Primula tosaensis or iwazakura (scientific name: Primula tosaensis) is a perennial plant in the primrose family Primulaceae , which is endemic to Japan. It grows wild in the limestone rocky areas and crevices of gravel in the mountains of western Japan (Kii Peninsula to Kyushu). The grass height is low, max 10 cm. Leaves about 5 cm round, green, with serrated margins. In the spring, it produces short stems from the ground and sporadic inflorescences from the tips, which produce several flowers. The flowers are large compared to the height of the grass. The flowers are peach-colored and the central base is yellow. The tip of the tubular flower has 5 deep lobes, and the petals have 2 more shallow lobes.
General name: Primula tosaensis, also called Primula tosaensis, Grass height: 5-10 cm, Leaf shape: circular, Leaf shape: circular, Leaf margin: serrated, Leaf color: green, Flower color: pink, Flower diameter: 2.5-3 cm, Flowering season: April - May.