Onosma 1a above Seki, near Syedra, Turkey 090410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma 1b above Seki, near Syedra, Turkey 090410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma 1c above Seki, near Syedra, Turkey 090410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma 2b Mikroderio-Metaxades, Thracia, Greece 060608 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma 3b SW of Dadia, Thracia 060607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma 3c SW of Dadia, Thracia 060607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma 4c Dolna Kula, Bu 120509 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma 5a Lund Bot Garden 160802 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma 5b Lund Bot Garden 160802 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma 6a Eagle Gorge Nat. Park, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma 6b Eagle Gorge Nat. Park, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma 6c Eagle Gorge Nat. Park, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma cf frutescens 3 NW of Alanya, Turkey 090407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma frutescens 5 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma frutescens 6 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma taurica 1 (cult) Brunnby, Sk 080815 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma taurica 2 (cult) Brunnby, Sk 080815 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma taurica 3 (cult) Brunnby, Sk 080815 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma 1d above Seki, near Syedra, Turkey 090410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma 1e above Seki, near Syedra, Turkey 090410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma 1f above Seki, near Syedra, Turkey 090410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma 1g above Seki, near Syedra, Turkey 090410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma 2a Mikroderio-Metaxades, Thracia, Greece 060608 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma 3a SW of Dadia, Thracia 060607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma 3d SW of Dadia, Thracia 060607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma 4a Dolna Kula, Bu 120509 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma 4b Dolna Kula, Bu 120509 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma alborosea 1 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma alborosea 2 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma cf frutescens 1 NW of Alanya, Turkey 090407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma cf frutescens 2 NW of Alanya, Turkey 090407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma cf frutescens 4 NW of Alanya, Turkey 090407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma cf lijiangense 1 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma cf lijiangense 2 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma erecta Katharo W of Kritsa, Crete 800507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma frutescens 7 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma heterophylla 1 Holomondas, Greece 050528 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma heterophylla 2 Holomondas, Greece 050528 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma visianii 1 Nagykovácsi, Hungary 240504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma visianii 2 Nagykovácsi, Hungary 240504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma visianii 3 Nagykovácsi, Hungary 240504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Onosma visianii 4 Nagykovácsi, Hungary 240504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).