Bryonia dioica [White Bryony]

[nfoto]

Rørslett, B. 2013. Bryonia dioica Jacq. (Cucurbitaceae). White Bryony. Flowers photographed in visible and ultraviolet light. http://www.ultraviol...a-white-bryony/

 

Bryonia dioica Jacq.

Syn. Bryonia. cretica auct., Bryonia cretica ssp. dioica (Jacq.) Tutin

NO: Rødgallebær; raudgallbær

SE: Röd hundrova

DK: Tvebo Galdebær

FI: Punakoiranköynnös

DE: Zweihäusige Zaunrüb

EN: White Bryony

 

This is a toxic climbing vine native to Europe and introduced in the Nordic countries.

 

Plants photographed in Vendée, France 1 June 2011.

 

Image reference: BRYO_DIO_G1106015535_VIS.jpg

Visible light: Nikon D3S, Voigtländer 125 mm f/2.5 APO-Lanthar lens, daylight.

 

Image reference: BRYO_DIO_I1106013656_UV.jpg

Ultraviolet light: Nikon D40X, UV-Nikkor 105 mm f/4.5 lens, Baader U2" (Venus) filter, SB-140 flash.

 

The corolla is highly UV reflective.T he veins of the corolla is more pronounced in UV and there is a central emphasis not seen in visible light.

 

[Published 14 June 2013]