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

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

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

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

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

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

Viburnum 2a Flinck's Garden, Bjuv Sk 140518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum 2b Flinck's Garden, Bjuv Sk 140518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum 3a Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum 3b Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum 3c Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum 3d Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum 3e Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum 3f Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum 3g Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum 3h Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum 3i Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum 3j Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum 3k Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum 3l Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum 4a Lund Bot Garden 150602 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum 4b Lund Bot Garden 150602 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum 4c Lund Bot Garden 150602 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum 4d Lund Bot Garden 150602 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum acerifolium 1 Storrs, Connecticut 900610 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum acerifolium 2 Storrs, Connecticut 900610 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum alnifolium N of Storrs, Connecticut 900504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum burejaeticum 2 Lund Bot Garden 150602 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum burejaeticum 3 Lund Bot Garden 150602 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum burejaeticum 4 Lund Bot Garden 150602 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum burejaeticum 5 Lund Bot Garden 150602 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum burejaeticum 6 Lund Bot Garden 150602 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum carlesii 1 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum cf lantanoides 1 Göteborg Bot Garden 130524 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum cf lantanoides 2 Göteborg Bot Garden 130524 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum cylindraceum near Lijiang, Yunnan 110707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum davidii 1 Lund Bot Garden 160520 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum davidii 2 Lund Bot Garden 160520 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum dilatatum 1 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum dilatatum 2 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum dilatatum 3 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum dilatatum 4 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum dilatatum 5 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum dilatatum 6 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum farreri 1 Copenhagen Bot Garden 140312 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum farreri 10 Lund Bot Garden 150319 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum farreri 2 Copenhagen Bot Garden 140312 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum farreri 4 Copenhagen Bot Garden 140312 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum farreri 5 Lund Bot Garden 150319 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum farreri 6 Lund Bot Garden 150319 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum farreri 7 Lund Bot Garden 150319 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum farreri 8 Lund Bot Garden 150319 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum farreri 9 Lund Bot Garden 150319 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum hupehense Copenhagen Bot Garden 121017 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum lantana 1 (cult) Lund Sk 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum lantana 2 (cult) Lund Sk 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum lantana 3 (cult) Lund Sk 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum lentago 1 Storrs, Connecticut 900529 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Viburnum lentago 2 Storrs, Connecticut 900602 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum lentago 3 Lund Bot Garden 150616 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum lentago 4 Lund Bot Garden 150616 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum lentago 5 Lund Bot Garden 150616 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum lentago 6 Lund Bot Garden 150616 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum lentago 7 Lund Bot Garden 150616 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum lentago 8 Lund Bot Garden 150616 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Viburnum lobophyllum Copenhagen Bot Garden 121017 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum nudum 1 (cult) Flyinge, Södra Sandby Sk 200723 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum nudum 2 (cult) Flyinge, Södra Sandby Sk 200723 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum opulus 1 Benestad Sk 080601 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum opulus 2 Lund Sk 121020 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum plicatum var tomentosum 1 Copenhagen Bot Garden 140515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum plicatum var tomentosum 2 Copenhagen Bot Garden 140515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum plicatum var tomentosum 3 Copenhagen Bot Garden 140515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum plicatum var tomentosum 4 Copenhagen Bot Garden 140515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum plicatum var tomentosum 5 Copenhagen Bot Garden 140515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum plicatum var tomentosum 6 Copenhagen Bot Garden 140515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum plicatum var tomentosum 7 (cult) Fjenneslev W of Ringsted, Sjaelland DK 170621 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum plicatum var tomentosum 8 (cult) Fjenneslev W of Ringsted, Sjaelland DK 170621 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum plicatum var tomentosum 9 (cult) Fjenneslev W of Ringsted, Sjaelland DK 170621 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum recognitum 1 Storrs, Connecticut 900617 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum rhytidiphyllum 1 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum rhytidiphyllum 2 Lund Bot Garden 080519 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum rhytidiphyllum 3 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum rhytidiphyllum 4 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum rhytidiphyllum 5 Lund Bot Garden 130603 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum rhytidiphyllum 6 Lund Bot Garden 130829 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum rhytidiphyllum 7 Lund Bot Garden 130829 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum rhytidiphyllum 8 Lund Bot Garden 130829 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum rigidum above La Orotava, Tenerife 970318 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum ruticulum Bergianska 020419 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum sargentii 1 Lund Bot Garden 150610 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Viburnum sargentii 2 Lund Bot Garden 150610 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum sargentii 3 Lund Bot Garden 150610 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum sargentii 4 Lund Bot Garden 150610 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum sargentii 5 Lund Bot Garden 150610 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum sargentii 6 Lund Bot Garden 150616 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum sargentii 7 Lund Bot Garden 150616 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum sargentii 8 Lund Bot Garden 150616 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Viburnum schensianum 1 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum schensianum 2 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum schensianum 3 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum schensianum 4 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum tinus 1 Sierra Blanca de Marbella, Andalucía Spain 220414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum tinus ssp rigidum 1 Pico del Ingles, Anaga, Tenerife 160407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum tinus ssp rigidum 2 Pico del Ingles, Anaga, Tenerife 160407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum tinus ssp rigidum 3 Pico del Ingles, Anaga, Tenerife 160407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum tinus ssp rigidum 4 Pico del Ingles, Anaga, Tenerife 160407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum tinus ssp rigidum 5 Chinobre, Anaga, Tenerife 160407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum tinus ssp rigidum 6 Chinobre, Anaga, Tenerife 160407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum burejaeticum 1 Lund Bot Garden 150602 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum carlesii 2 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum farreri 3 Copenhagen Bot Garden 140312 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Viburnum recognitum 2 Storrs, Connecticut 900617 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).