Franco Banfi / Dogwood (Cornus) flower in the Tongass National Forest, near Juneau, Alaska, North Pacific Ocean.

Ernie Janes / Himalayan birch tree (Betula utilis var jacquemontii) and Red twig dogwood (Cornus sericea) leaves, England, UK, September.

Mike Read / Red-barked dogwood (Cornus alba) individual leaf on lightbox Ringwood Hampshire UK October

Gary K. Smith / Dogwood (Cornus) leaves in Autumn, Norfolk, England UK. November

Russell Cooper / Female Green hairstreak butterfly (Callophrys rubi) laying eggs on Dogwood (Cornus), North Downs, Surrey, England, UK, April.

Orsolya Haarberg / Dwarf cornel (Cornus suecica) in autumn in the Sarek National Park. World Heritage Laponia, Swedish Lapland, Sweden. September 2009.

Tim Fitzharris / Dogwood (Cornus sp) flowering and Cedar (Cedrus sp), Tyler State Park, Texas

Floris van Breugel / Pacific Dogwood Tree (Cornus nuttallii) and Giant Sequoia (Sequoiadendron giganteum), Sequoia / Kings Canyon National Park, California, USA.

Loic Poidevin / Canadian bunchberry (Cornus canadensis) in flower, British Columbia, Canada , June.

Loic Poidevin / Canadian bunchberry (Cornus canadensis) in flower, British Columbia, Canada , June.

Colin Varndell / Dogwood (Cornus sanguinea) buds in spring. Dorset, UK, March 2012.

Colin Varndell / Dogwood (Cornus sanguinea) twig in mid-winter, Dorset, UK January