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Patersonia occidentalis [Long Purple Flag]

Fluorescence
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#1 DaveO

    Aussie Bunyip

  • Members+G
  • 743 posts
  • Location: Maldon, Victoria, Australia

Posted 02 January 2020 - 05:04

Oldfield, D. 2020. Patersonia occidentalis R.Br. (Iridaceae) Long Purple Flag. Flowers photographed in visible and ultraviolet light.

Maldon, Victoria, Australia
19 November 2019
Australian Native Wildflower as Garden Specimen

Synonyms
Patersonia bicolor Benth.
Genosiris occidentalis (R.Br.) F.Muell.

Comments:
Patersonia occidentalis is a perennial herbaceous plant endemic to Western Australia. It is found amongst granite outcrops in areas which are wet in winter or on sand dunes in the Mid West of Western Australia.

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.
Attached Image: Patersonia_occidentalis_Vis.jpg
Image Reference: DO66448

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.
Attached Image: Patersonia_occidentalis_UV.jpg
Image Reference: DO66449

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/11 ISO 1600.
Attached Image: Patersonia_occidentalis_UVIVFL.jpg
Image Reference: DO66452

References:

Brown, R. (1810) Prodomus florae Novae Hollandiae et insulae Van-Diemen, exhibens characteres plantarum quas annis 1802-1805.

Elliott, W.R. and Jones, D.L. Encyclopaedia of Australian Plants suitable for cultivation, Lothian 1997, Volume 7, p. 184.

Published 2 January 2020