Cylindropuntia acanthocarpa [Buckthorn Cholla]

[Andrea B.]

Blum, A.G. (2013) Cylindropuntia acanthocarpa Engelmann & J.M. Bigelow (Cactaceae) Buckthorn Cholla. Flowers photographed in visible and ultraviolet light. http://www.ultraviol...holla/#entry538

 

Desert Botanical Garden, Phoenix, Arizona, USA

25 April 2013

Wildflower in botanical garden

 

Synonyms:

• Opuntia acanthocarpa
  

Reference:

1. Epple, A.O. (1995) Buckthorn Cholla, page 162. A Field Guide to the Plants of Arizona. Falcon Guides, Globe Pequot Press, Guilford, CT.

2. Desert Botanical Garden, Phoenix, AZ

 

Comment:

 

Equipment:

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

[Nikon Coolpix A]

 

Visible Light [f/11 for 1/200” @ ISO 100 in Sunlight with Baader UVIR-Block Filter]

 

Visible Light [f/5.6 for 1/800” @ ISO 200 with Coolpix A]

 

Ultraviolet Light [f/11 for 1/50” @ ISO 400 with SB-14 UV-modified Flash and Baader UV-Pass Filter]

 

Ultraviolet Light [f/11 for 1/1.3” @ ISO 400 with SB-14 UV-modified Flash and Baader UV-Pass Filter]