*Persicaria capitata (Buch.-Ham. ex D.Don) H.Gross

Flowers in dense hemispherical heads c. 1 cm diam.; perianth pink. Leaves ovate-lanceolate, 1–2 cm long with a dark brown zone across the upper surface, often tinged with red underneath. Trailing plant. Garden escape near habitation. Introd. from Himalayas. Fl. summer