Sanguisorba obtusa
Sanguisorba obtusa, the Japanese burnet, is a species of flowering plant in the family Rosaceae, native to Japan (Honshu). Growing up to  tall by  broad, this rhizomatous herbaceous perennial has grey-green foliage, and attractive bright pink bottle-brush type flowers on wiry stems, in summer. In cultivation it can tolerate a range of conditions in sun or partial shade, with moist soil. References

obtusa
Flora of Japan
Taxa named by Karl Maximovich