red flowering himalayan bistort plants from close

affine affinis amplexicaulis atrosanguinea bistort bloom blooming blossom blossoms bright buckwheat bush cylindrical erect evergreen field flaming fleece flower flowers foliage garden green groundcover herbaceous himalayan incarnadine inflorescence knotweed lanceolate leaves murrey nature nobody oblong outdoor park perennial persicaria pink plant polygonaceae polygonum red scarlet small spike stems vegetation