Thymophylla pentachaeta [Common Dogweed]

[Andrea B.]

Blum, A.G. (2013) Thymophylla pentachaeta (de Candolle) Small (Asteraceae) Common Dogweed. Flowers photographed in visible and ultraviolet light. http://www.ultraviol...common-dogweed/

 

Desert Botanical Garden, Phoenix, Arizona, USA

22 April 2013

Wildflower in botanical garden

 

Synonyms:

• Five-needle Fetid Marigold
  
• Five-needle Pricklyleaf
  
• Golden Dyssodia
  
• Golden Fleece
  
• Parralena
  
• Hymenatherum pentachaetum de Candolle
  
• Dyssodia pentachaeta (de Candolle) B.L. Robinson
  

Comment:

 

Reference:

1. Epple, A.O. (1995) Five-needle Fetid Marigold, page 269. A Field Guide to the Plants of Arizona. Falcon Guides, Globe Pequot Press, Guilford, CT.

2. Desert Botanical Garden, Phoenix, AZ

 

Equipment:

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

 

Visible Light [f/4.5 for 1/250” @ ISO 100 in Sunlight with Baader UVIR-Block Filter]

 

Ultraviolet Light [f/4.5 for 3” @ ISO 100 in Sunlight with Baader UV-Pass Filter]