Magnolia 1 Flinck's Garden, Bjuv Sk 140518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia 1a Göteborg Bot Garden 120628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia 1b Göteborg Bot Garden 120628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia 1c Göteborg Bot Garden 120628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia 2a Lund Bot Garden 130531 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia 2b Lund Bot Garden 130531 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia 2c Lund Bot Garden 130531 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia 4a (cult) Oweni, Northland NZ 151105 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia 4b (cult) Oweni, Northland NZ 151105 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia 4f (cult) Oweni, Northland NZ 151105 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia acuminata 1 Flinck's Garden, Bjuv Sk 070521 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia acuminata 2 Flinck's Garden, Bjuv Sk 070521 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia acuminata 3 Flinck's Garden, Bjuv Sk 070521 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia grandiflora 1 (cult) near Lake Kerkini, N Greece 180702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia grandiflora 2 (cult) near Lake Kerkini, N Greece 180702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia hypoleuca 1 Lund Bot Garden 100629 002 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia hypoleuca 10 Lund Bot Garden 150616 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia hypoleuca 2 Lund Bot Garden 130531 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia hypoleuca 3 Lund Bot Garden 100629 016 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia hypoleuca 4 Lund Bot Garden 130531 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia hypoleuca 5 Lund Bot Garden 130531 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia hypoleuca 6 Lund Bot Garden 101014 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia hypoleuca 7 Lund Bot Garden 101014 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia hypoleuca 8 Lund Bot Garden 101014 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia hypoleuca 9 Lund Bot Garden 150616 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia kobus 1 Copenhagen Bot Garden 140424 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia kobus 2 Copenhagen Bot Garden 140424 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia kobus 3 Copenhagen Bot Garden 140424 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia kobus 4 Copenhagen Bot Garden 140424 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia kobus 5 DBV's Garden, Visby, Gotland 110508 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia kobus 6 DBV's Garden, Visby, Gotland 110508 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia liliiflora 1 Lund Bot Garden 090506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia liliiflora 2 Lund Bot Garden 090506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia sieboldii 1 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia sieboldii 3 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia stellata 1 Lund Bot Garden 090429 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia stellata 2 Lund Bot Garden 090429 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia stellata 3 Lund Bot Garden 080422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia stellata 4 Lund Bot Garden 080422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia stellata 9 Lund Bot Garden 150503 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia virginiana 1 Copenhagen Bot Garden 140625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia virginiana 2 Copenhagen Bot Garden 140625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia virginiana 3 Copenhagen Bot Garden 140625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia wilsonii 1 Copenhagen Bot Garden 080513 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia wilsonii 1 Copenhagen Bot Garden 140515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia wilsonii 2 Copenhagen Bot Garden 080513 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia wilsonii 2 Copenhagen Bot Garden 140515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia wilsonii 3 Copenhagen Bot Garden 140515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia x soulangeana 2 (cult) Lund Sk 140422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia x soulangeana 3 (cult) Lund Sk 140422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia x soulangeana 4 (cult) Lund Sk 140422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia x soulangeana 5 (cult) Lund Sk 140422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia 4c (cult) Oweni, Northland NZ 151105 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia 4d (cult) Oweni, Northland NZ 151105 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia 4e (cult) Oweni, Northland NZ 151105 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia 4g (cult) Oweni, Northland NZ 151105 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia 4h (cult) Oweni, Northland NZ 151105 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia kobus 7 DBV's Garden, Visby, Gotland 110508 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia sieboldii 2 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia sieboldii 4 Copenhagen Bot Garden 150421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia sieboldii 5 Copenhagen Bot Garden 150421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia stellata 10 Lund Bot Garden 150503 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia stellata 11 Lund Bot Garden 150503 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia stellata 12 Lund Bot Garden 150503 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia stellata 5 Lund Bot Garden 130503 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia stellata 6 Lund Bot Garden 130503 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia stellata 7 Lund Bot Garden 130503 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia stellata 8 Lund Bot Garden 130503 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia x soulangeana 1 (cult) Lund Sk 140422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Magnolia x soulangeana 6 (cult) Lund Sk 140422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).