Roscoea cautleoides is a perennial herbaceous plant in the ginger family Zingiberaceae, native to the Sichuan and Yunnan provinces of China. It belongs to the genus Roscoea and carries that botanical identity. In the UK it flowers from June to August. The botanical name should be used for accurate identification.

Roscoea cautleoides is a perennial herbaceous plant from Sichuan and Yunnan, flowering in the UK from June to August.

https://en.wikipedia.org/wiki/Roscoea_cautleyoides

Roscoea is a genus of perennial plants of the family Zingiberaceae. While most members of the ginger family are tropical, Roscoea species are native to cooler mountainous regions of the Himalayas, China and its southern neighbours.

Roscoea cautleoides

Roscoea cautyloides is a perennial member of the ginger family with orchid-like flowers formed largely from staminodes rather than true petals. It dies back each year to a short, vertical rhizome with tuberous roots. Native to cooler mountainous regions of Asia, it produces its flowering stems in early summer. Flowers appear June to August.

Roscoea cautyloides is a perennial ginger with orchid-like flowers that bloom June to August in cool, open or woodland-edge spots.

Roscoea cautyloides

Roscoea purpurea is a perennial herbaceous member of the ginger family grown for its purple, orchid-like flowers. Native to the Himalaya, it flowers in the UK from June to August. It prefers a sheltered position in partial shade with moist, well-drained soil. It suits rock and woodland garden planting where summer blooms can be shown to advantage.

Purple roscoea (Roscoea purpurea) produces purple to mauve flowers from June to August and prefers sheltered, moist partial shade in the UK.