Bistorta vacciniifolia, the whortleberry-leaved knotweed, is a species of flowering plant in the family Polygonaceae, native to Tibet and the Himalaya.

[1] Well-suited for clay soils, as its synonym Persicaria vacciniifolia it has gained the Royal Horticultural Society's Award of Garden Merit.

[2][3]

This Polygonaceae article is a stub.

You can help Wikipedia by expanding it.