Andrea B. Posted June 10, 2013 Share Posted June 10, 2013 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, USA22 April 2013Wildflower in botanical garden Synonyms:Five-needle Fetid MarigoldFive-needle PricklyleafGolden DyssodiaGolden FleeceParralenaHymenatherum pentachaetum de CandolleDyssodia pentachaeta (de Candolle) B.L. RobinsonComment: 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] Link to comment
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