Verticordia muelleriana subsp muelleriana

[DaveO]

Oldfield, D. 2018. Verticordia muelleriana E. Pritz. subsp muelleriana. (Myrtaceae) Flowers photographed in visible and ultraviolet light. http://www.ultraviol...sp-muelleriana/

 

Maldon, Victoria, Australia

17 December 2016

Australian Native Wildflower as Garden Specimen

 

Comment

Verticordia muelleriana subsp muelleriana was named after Ferdinand Mueller, the first Government Botanist of Victoria (1853 – 96). It was originally collected by Ernst Pritzel in 1901 between Watheroo and Coorow, Western Australia. This subspecies has been successfully grafted onto Chamelaucium uncinatum rootstock.

 

Visible Light: Nikon D750 Full Spectrum Modification, Nikon Rayfact PF10545 MF-UV 105 mm f/4.5 lens, Metz 15 MS-1 flash, 1/200 s @ f/16 ISO 200, Baader UV/IR Cut Filter.

Image Reference: DO63985

 

Ultraviolet Light: Nikon D750 Full Spectrum Modification, Nikon Rayfact PF10545 MF-UV 105 mm f/4.5 lens, Nissin Di866 Mark II flash, 1/200s @ f/16 ISO 200, Baader UV-Pass Filter.

Image Reference: DO63987

 

Ultraviolet Induced Visible Fluorescence: Nikon D750 Full Spectrum Modification, Nikon Rayfact PF10545 MF-UV 105 mm f/4.5 lens with Baader UV/IR Cut Filter, Nichia NCSU033A UV-LED with Baader UV-Pass Filter, 10.0 s @ f/16 ISO 1600.

Image Reference: DO63988

 

Reference:

George (Berndt), E.A. and Pieroni, M. Verticordia, the turner of hearts, University of Western Australia Press, 2002, p. 382

 

Published 13 January 2018

[Andrea B.]

Dave, remind me how you are making the fluorescence photos. Are you bringing the specimens indoors to a studio setting? Or are you shooting in the field (or garden) using a dark cloth?

 

That blue fluor is so intense!

[DaveO]

Andrea, I admitted defeat long ago trying to do UVIVFL shots in the big outdoors so yes, they are all indoor dark room shots. Most of my UVIVFL images these days are cuttings taken from a garden grown plant unless I manage to kidnap it on the way to be planted in the garden

I suspect the intense blue is lignin but I've never got around to finding a pure specimen of lignin.

[Andrea B.]

I have lignin associated with tree bark in my head! So there could be lignin in these Verticordia flower petals/sepals?