Guy Edwardes / Close-up of dew on underside of Magnolia leaf, Uplyme, Devon, England, August

Stephen Dalton / Tulip tree flower (Liriodendron tulipifera), UK, June

Stephen Dalton / Tulip tree flower (Liriodendron tulipifera), UK, June

Adrian Davies / Tulip tree (Liriodendron tulipifera) leaves in autumn, Botanic garden, Surrey, England, UK, October

Kerstin Hinze / Magnolia Soulangiana var cultivated in Botanical Garden Brunswick, Germany

Nick Upton / Saucer Magnolia (Magnolia x soulangeana) tree in full flower against blue sky. Stourhead gardens, Wiltshire, UK, April.

Nick Upton / Saucer Magnolia (Magnolia x soulangeana) tree in full flower against blue sky. Stourhead gardens, Wiltshire, UK, April.

Piotr Naskrecki / Tulip Tree (Liriodendron tulipifera) leaves, Estabrook Woods, Massachusetts

Piotr Naskrecki / Umbrella Magnolia (Magnolia tripetala) flower, Estabrook Woods, Massachusetts

Piotr Naskrecki / Saucer Magnolia (Magnolia soulangeana) flowers, Estabrook Woods, Massachusetts

Mark Moffett / Soldier Beetle (Cantharidae) feeding on Southern Magnonia (Magnolia grandiflora) flower nectar, National Arboretum, Washington D.C.

Paul Harcourt Davies / Fruits of Magnolia (Magnolia grandiflora) showing exposed seeds. Garden, Italy, Europe

Guy Edwardes / Close-up of dew on underside of Magnolia leaf, Uplyme, Devon, England, August

Guy Edwardes / Close-up of dew on underside of Magnolia leaf, Uplyme, Devon, England, August

Stephen Dalton / Magnolia {Magnolia sp} tree in flower, UK

Mike Potts / Magnolia tree in flower (Magnolia x soulangeana) alba superba, Wales, UK

Martin Gabriel / Tulip tree (Liriodendron tulipifera), city park of Badenweiler, Black Forest, Germany, May

Philippe Clement / Magnolia {Magnolia sp} leaf in autumn colours, native to China

Philippe Clement / Tulip tree / Tulip poplar / Yellow poplar (Liriodendron tulipifera) leaf in autumn colours, native to eastern North America

John Cancalosi / Magnolia (Magnolia grandiflora) close up of flower showing stamens, Louisiana, USA

GEORGETTE DOUWMA / Flower of Tulip tree / Yellow poplar (Liriodendron tulipifera) The tallest hardwood tree in eastern North America. USA

GEORGETTE DOUWMA / Flower of Tulip tree / Yellow poplar (Liriodendron tulipifera)

GEORGETTE DOUWMA / Flower of Tulip tree / Yellow poplar (Liriodendron tulipifera) The tallest hardwood tree in eastern North America. USA

GEORGETTE DOUWMA / Tulip tree / Yellow poplar (Liriodendron tulipifera) The tallest hardwood tree in eastern North America. USA

Ross Hoddinott / Tulip tree leaves {Liriodendron tulipifera} emerging, RHS Rosemoor, Devon. UK

Doug Wechsler / Tulip tree or Tulip poplar {Liriodendron tulipifera} in winter, Philadelphia, USA

Philippe Clement / Magnolia 'Heaven scent' tree in flower, garden cultivar, Botanical gardens, Belgium.

Philippe Clement / Magnolia 'Heaven scent' tree in flower, garden cultivar, Botanical gardens, Belgium.

Piotr Naskrecki / Umbrella Magnolia (Magnolia tripetala) flower, Estabrook Woods, Massachusetts

Piotr Naskrecki / Big-leaf Magnolia (Magnolia macrophylla) flower, Estabrook Woods, Massachusetts

Piotr Naskrecki / False Flower Beetle (Anaspis rufa) pollinating Big-leaf Magnolia (Magnolia macrophylla), Estabrook Woods, Massachusetts

Piotr Naskrecki / Big-leaf Magnolia (Magnolia macrophylla) flower with pollen producing anthers and beetle, Estabrook Woods, Massachusetts

Piotr Naskrecki / Big-leaf Magnolia (Magnolia macrophylla) flower, Estabrook Woods, Massachusetts

Martin Gabriel / Tulip tree (Liriodendron tulipifera), city park of Badenweiler, Black Forest, Germany, May