Parkinsonia x sonorae [Sonoran Palo Verde]: Tree Bark

[Andrea B.]

Blum, A.G. (2017) Tree Bark of Parkinsonia x sonorae (Rose & Johnston) Hawkins ined. (Fabaceae) Sonoran Palo Verde. Tree bark photographed in ultraviolet and visible light. http://www.ultraviol...erde-tree-bark/

 

Desert Botanical Garden, Phoenix, Arizona, USA

25 April 2013

Native tree in botanical garden

 

Comment:

The soft-green bark of the lovely Palo Verde tree is not particularly remarkable in UV.

 

Reference:

 

 

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

^{Unless otherwise stated.}

 

Visible Light [f/5.6 for 1/800" @ ISO-200 EV -.3 with Nikon Coolpix A in Sunlight]

 

Visible Light [f/8 for 1/640" @ ISO-400 in Sunlight with Baader UVIR-Block Filter]

 

Ultraviolet Light [f/8 for 1/2.5" @ ISO-400 in Sunlight with BaaderU UV-Pass Filter]