Sue Daly / Sea bindweed (Calystegia soldanella), Herm, British Channel Islands, June.

Oriol Alamany / Morning Glory (Calystegia soldanella) in the dunes of es Cavallet beach, Las Salinas (Ses Salines) Natural Park, Ibiza biodiversity and culture UNESCO World Heritage Site, Spain.

Martin Gabriel / Sea bindweed / Beach morning glory (Calystegia soldanella), flowering, Salalah, Sultanate of Oman, February.

Martin Gabriel / Beach morning glory (Calystegia soldanella) , La Digue Island, Republic of Seychelles

Colin Varndell / Sea bindweed (Calystegia soldanella) flowers in bloom. Dorset, UK, June.

Colin Varndell / Sea bindweed (Calystegia soldanella) flowers, Dorset, UK, July.

Nick Upton / Sea bindweed / Beach Morning Glory (Calystegia soldanella) flowering on coastal sand dunes among Marram grass (Ammophila arenaria) and Lesser hawkbit (Leontodon saxatilis), Studland, Dorset, UK, July...

Nick Upton / Sea bindweed / Beach Morning Glory (Calystegia soldanella) flowering on coastal sand dunes among Marram grass (Ammophila arenaria) and Lesser hawkbit (Leontodon saxatilis), Studland, Dorset, UK, July...

Angelo Gandolfi / Sea Bindweed / Beach Morning Glory (Calystegia soldanella) in flower on sandy sea shore, Italy, May

Angelo Gandolfi / Sea Bindweed / Beach Morning Glory (Calystegia soldanella) in flower on sandy sea shore, Italy, May

Adrian Davies / Sea Bindweed (Calystegia soldanella) in flower, Fanore Sand Dune, The Burren, County Clare, Republic of Ireland

Adrian Davies / Sea Bindweed (Calystegia soldanella) Fanore Sand Dunes, The Burren, County Clare, Republic of Ireland

Paul Hobson / Sea bindweed / Beach morning glory {Calystegia soldanella} Spurn Point, Yorkshire, UK

Adrian Davies / Beach morning glory (Calystegia soldanella) UK

WILLIAM OSBORN / Beach morning glory in flower {Calystegia soldanella} sand dunes, Glamorgan, Wales.

Jose B. Ruiz / Beach morning glory on coastal sand dune {Calystegia soldanella} Alicante, Spain.

Rob Tilley / Beach morning glory (Calystegia soldanella) in flower, South Padre Island, Texas, USA, May 2009

Nick Upton / Sea bindweed (Calystegia soldanella) flowering on coastal sand dunes, Kenfig National Nature Reserve, Glamorgan, Wales, UK, June.

Nick Upton / Silvery leafcutter bee (Megachile leachella) visiting a Sea bindweed (Calystegia soldanella) flower on coastal dunes, it's typical habitat, Dorset, UK, June.