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Achillea millefolium subsp. lanulosa [Common Yarrow]


Andrea B.

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Blum, A.G. (2013) Achillea millefolium L. subsp. lanulosa (Nutt.) Piper (Asteraceae) Common Yarrow. Flowers photographed in ultraviolet and visible light. http://www.ultravioletphotography.com/content/index.php?/topic/120-achillea-millefolium-subsp-lanulosa-common-yarrow/

 

Seal Cove, Mount Desert Island, Maine, USA

17 July 2012

 

Synonyms:

  • Achillea borealis Bong.
  • Achillea lanulosa Nutt.
  • Achillea nigrescens (E. Mey.) Rydb.

Comment:

A. millefolium, a North American native, has many medicinal uses so it is frequently cultivated. There are also ornamental cultivars for the garden. The wild subspecies found in Maine, shown here, has quite UV-dark rays with a bright edge. The disk florets are slightly less dark with a UV-bright center. Compare it to the A. millefolium photographed in NJ which does not have a bright center in its disk florets or quite such a UV-bright ray edge.

 

Reference:

1. New England Wild Flower Society (2013) Achillea millefolium. Common Yarrow. https://gobotany.new...ea/millefolium/

 

Equipment [Nikon D300-broadband + Carl Zeiss 60mm f/4.0 UV-Planar]

 

Visible Light [f/11 for 1/2.5" @ ISO 400 with onboard Flash and Baader UVIR-Block Filter]

achilleaMillefoliumVisFlash_071712sealCoveMdiME_28896proofPnCrop.jpg

 

Ultraviolet Light [f/11 for 1/2.5" @ ISO 400 with SB-14 UV-modified Flash and Baader UV-Pass Filter]

achilleaMillefoliumUVBaadSB14_071712sealCoveMdiME_28901proofPnCrop.jpg

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