Sanguisorba alpina 3 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba alpina 4 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba canadensis 10 Copenhagen Bot Garden 120919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba canadensis 11 Lund Bot Garden 140924 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba canadensis 12 Lund Bot Garden 140924 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba canadensis 8 Lund Bot Garden 131031 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba canadensis 9 Lund Bot Garden 131031 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba dodecandra 3 Lund Bot Garden 150727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba dodecandra 4 Lund Bot Garden 150727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba dodecandra 5 Lund Bot Garden 150727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba hakusanensis 1 Lund Bot Garden 130819 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba hakusanensis 2 Lund Bot Garden 130819 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba hakusanensis 3 Lund Bot Garden 130819 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba obtusa 1 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba obtusa 2 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba obtusa 3 Copenhagen Bot Garden 080710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba obtusa 4 Copenhagen Bot Garden 080710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba officinalis 10 Lund Bot Garden 150713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba officinalis 11 Lund Bot Garden 150713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba officinalis 8 Lund Bot Garden 150713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba officinalis 9 Lund Bot Garden 150713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba tenuifolia 3 Copenhagen Bot Garden 080905 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba tenuifolia 5 Copenhagen Bot Garden 080905 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba alpina 1 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba alpina 2 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba alpina 5 Lund Bot Garden 070625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba alpina 6 Lund Bot Garden 070625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba canadensis 1 Lund Bot Garden 140924 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba canadensis 2 Lund Bot Garden 140924 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba canadensis 3 Lund Bot Garden 140924 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba canadensis 4 Lund Bot Garden 140924 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba canadensis 5 Copenhagen Bot Garden 120919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba canadensis 6 Copenhagen Bot Garden 120919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba canadensis 7 Lund Bot Garden 131031 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba dodecandra 1 Lund Bot Garden 150727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba dodecandra 2 Lund Bot Garden 150727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba japonica Bergianska, Stockholm 010831 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba officinalis 1 Gothemhammar, Gothem, Gotland 940621 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba officinalis 12 Anga prästänge, Anga, Gotland 170628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba officinalis 13 Anga prästänge, Anga, Gotland 170628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba officinalis 14 Anga prästänge, Anga, Gotland 170628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba officinalis 15 Anga prästänge, Anga, Gotland 170628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba officinalis 16 Anga prästänge, Anga, Gotland 170628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba officinalis 2 Nedrema, Estonia 100716 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba officinalis 3 Lund Bot Garden 130816 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba officinalis 4 Lund Bot Garden 130816 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba officinalis 5 Lund Bot Garden 130816 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba officinalis 6 Ala, Gotland 910801 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba officinalis 7 Lund Bot Garden 150713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba tenuifolia 1 Copenhagen Bot Garden 080905 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba tenuifolia 2 Copenhagen Bot Garden 080905 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sanguisorba tenuifolia 4 Copenhagen Bot Garden 080905 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).