Primula rosea, the rosy primrose, is a flowering plant species in the genus Primula, native to the Himalayas. Growing to tall, it is a hardy herbaceous perennial with red-tinged leaves and clumps of rich pink flowers in spring.
In cultivation it prefers damp places such as the edge of a pond or stream, in moisture-retentive neutral or acid soil and full or partial sunlight. It has won the Royal Horticultural Society's Award of Garden Merit.
Rosinidin is an anthocyanidin found in P. rosea.The Structure and Distribution of the Flavonoids in Plants. Tsukasa Iwashina, Journal of Plant Research, 2000, Volume 113, Number 3, pages 287-299,
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