| Sonchus oleraceus L. |
| Asteraceae |
 |
| Visible
light (L37C filter) |
|
| UV
light (U-360,, SB-140) |
| Both
images: Nikon D1H , UV-Nikkor 105 mm f/4.5 @800 ISO © Bjørn Rørslett/NN |
| Annual
Sow-thistle has lighter coloured flower heads than its
relatives and the heads are much less conspicuous, too.
Still, the bull's-eye floral pattern is strongly
developed. The flower head also reflects quite strongly in near-IR. |
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Last Update 17 June, 2003
