Opuntia aciculata [Chenille Pricklypear]

[Andrea B.]

Blum, A.G. (2013) Opuntia aciculata Griffiths (Cactaceae) Chenille Pricklypear. Flowers photographed in ultraviolet and visible light. http://www.ultraviol...le-pricklypear/

 

Boyce Thompson Arboretum, Superior, Arizona, USA

23 April 2013

Wildflower in botanical garden

 

Synonyms:

• Cowboy's Red Whiskers
  
• Opuntia engelmannii var. aciculata Salm-Dyck (Griffiths) Weniger
  
• Opuntia lindheimeri var. aciculata Engelm. (Griffiths) Bravo
  
• Opuntia engelmannii ssp. aciculata (Griffiths) U.Guzmán, comb. et stat. nov.
  
• Opuntia tardospina Griffiths
  

Comment:

 

Reference:

1. Flora of North America Online (2013) Opuntia aciculata, vol. 4. FNA. New York & Oxford. http://www.efloras.o...on_id=242415193

 

Equipment [Nikon D600-broadband + Nikon 105mm f/4.5 UV-Nikkor]

 

Visible Light [f/22 for 1/125" @ ISO 100 with onboard Flash and Baader UVIR-Block Filter]

Click on the photo for a larger view.

 

Ultraviolet Light [f/11 for 1/80" @ ISO 400 with SB-14 UV-modified Flash and Baader UV-Pass Filter]

[msubees]

I have a yellow flowered pricklybear (likely to be O. ficus-indica) which show the same UV pattern as this one.