Aquilegia chrysantha [Yellow Columbine]

[Andrea B.]

Blum, A.G. (2013) Aquilegia chrysantha Gray (Ranunculaceae) Yellow Columbine. Flowers photographed in visible and ultraviolet light. http://www.ultraviol...llow-columbine/

 

Boyce Thompson Arboretum, Superior, Arizona, USA

23 April 2013

Wildflower in botanical garden

Synonyms:

• Golden Columbine
  
• Golden Spur Columbine
  
• Aquilegia chrysantha var. rydbergii Munz
  

Comment:

This startling golden columbine is an American Southwestern native. Aquilegia species can be polymorphic, and spur length variation is found with A. chrysantha. In the UV the flower has medium and dark tonalities. The filaments are UV-black with lighter anthers.

 

Reference:

1. Epple, A.O. (1995) Yellow Columbine, page 68. A Field Guide to the Plants of Arizona. Falcon Guides, Globe Pequot Press, Guilford, CT.

 

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

 

Visible Light [f/11 for 1/400” @ ISO 400 in Sunlight with Baader UVIR-Block Filter]

 

Ultraviolet Light [f/8 for 1/60” @ ISO 400 with SB-14 UV-modified Flash and Baader UV-Pass Filter]