Kosteletzkya pentacarpos, (L.) Ledeb.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1981, Flora Europaea. Volume 2. Rosaceae to Umbelliferae, Cambridge University Press : 256

1. K. pentacarpos (L.) Ledeb. , Fl. Ross. 1: 437 (1842).

Erect perennial up to 2 m, pubescent with brownish, stellate hairs. Leaves long-petiolate, triangular-ovate, crenate, usually with 3(-5) broadly triangular lobes, but sometimes undivided. Flowers solitary or in small cymes in the leaf-axils. Epicalyxsegments 6-11, much shorter and narrower than the sepals. Petals 20-25 mm, obovate, entire, lilac-pink. Capsule c. 5 x 12 mm, black, strigose, dehiscing along the prominent angles. Seeds 4 mm, reniform, striate. Riversides and marshes. S. Europe, from E. Spain to S.E. Russia; very local. BI Hs It Rs (E).