Eranthis hyemalis [Winter Aconite]

[nfoto]

Rørslett, B. 2013. Eranthis hyemalis (L.)Salisb. (Ranunculaceae). Winter Aconite. Flowers photographed in visible and ultraviolet light. http://www.ultraviol...winter-aconite/

 

Eranthis hyemalis (L.)Salisb.

NO: Vinterblom

SE: Vintergäck

DK: Eranthis

FI: Keltainen talventähti

DE: Winterling

EN: Winter Aconite

 

A small spring flower, native to Continental Europe and naturalised in the Nordic countries, E. hyemalis gets into bloom while the last snow still may linger.

 

Plants photographed in the Botanical Garden of University of Oslo, Norway 26 March 2007.

 

Image reference: ERAN_HYE_I0703263840_VIS.jpg

Visible light: Nikon D200, UV-Nikkor 105 mm f/4.5 lens, Baader UV/IR Cut filter, daylight.

 

Image reference: ERAN_HYE_I0703263836_UV.jpg

Ultraviolet light: Nikon D200, UV-Nikkor 105 mm f/4.5 lens, Baader U2" (Venus) filter, daylight.

 

In UV, the styles, pistils and large nectaria are UV black, thus giving a bull's-eye appearance of the opened flower.

 

Image reference: ERAN_HYE_I0703279256_VIS.jpg

Visible light: Nikon D200, UV-Nikkor 105 mm f/4.5 lens, Baader UV/IR Cut filter, daylight.

 

Side view of the flower to show the recurved bracts and yellow honey leaves.

 

Image reference: ERAN_HYE_I0703279259_UV.jpg

Ultraviolet light: Nikon D200, UV-Nikkor 105 mm f/4.5 lens, Baader U2" (Venus) filter, SB-140 flash.

 

The outer side of the honey leaves are almost entirely UV black except for the very tips.

 

[Published 14 June 2013]