Himalayan windflower (Anemone rivularis) belongs to the Ranunculaceae (the Buttercup family). It is a perennial herb that is native to central-southern China, the Himalayas and Sri Lanka. This herb grows in woodlands, meadows or streamsides, and can reach 30-60 cm in height. The leaves are green and divided into deeply three lobes. The saucer-shaped white flowers, tinged blue on the reverse, bloom from April to July. The plant is slightly poisonous, and may cause stomach upset or skin irritatin.