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|  » Stats |
Members: 50,187
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| | Welcome to our newest member, Della | |  | 
19-05-2010, 08:37 AM
| | Commander of the Wild Empire | | Join Date: Jul 2008
Posts: 1,023
| | | Crucifer for ID
I'd be grateful for some suggestions on what this one could be, a casual (probably) on a Bristol railway line. The photos won't win any prizes (I couldn't get any closer than about 40 feet, and it was blowing a gale at the time...  ) but the flowers are pale yellow    
Many thanks |
19-05-2010, 10:56 AM
|  | Active Member | | Join Date: Dec 2007 Location: West Wales
Posts: 86
| | | Re: Crucifer for ID
It could be Arabidopsis thaliana (Thale cress) the leaves are right for this species, though I have never seen it with yellow flowers |
19-05-2010, 02:58 PM
|  | Officer of the Wild Empire | | Join Date: Sep 2009
Posts: 951
| | | Re: Crucifer for ID
Tough one from that distance It`s probably Shepherds Needles but I don`t know why the flowers are pale tellow, it may be that soil or it may have hybridised with another of the same family. |
19-05-2010, 04:29 PM
|  | Commander of the Wild Empire | | Join Date: Dec 2008 Location: Gloucestershire
Posts: 2,765
| | | Re: Crucifer for ID
Shepherd's needles an umbellifer.
Could be Tall rocket which has pale yellow flowers.
__________________
One touch of nature makes the whole world kin. (Shakespeare) |
19-05-2010, 08:39 PM
| | Commander of the Wild Empire | | Join Date: Jan 2006 Location: London
Posts: 3,607
| | | Re: Crucifer for ID
Looks like Thale Cress to me |
20-05-2010, 09:01 AM
| | Commander of the Wild Empire | | Join Date: Jul 2008
Posts: 1,023
| | | Re: Crucifer for ID
Quote:
Originally Posted by Tiggrx  Looks like Thale Cress to me | What about the pale yellow flowers, though? I've never seen Thale Cress anything other than white, and I can't find anything online to say there's any variation in flower colour?
Mind you, I'm totally thrown to come up with any other suggestions |
20-05-2010, 12:06 PM
| | Officer of the Wild Empire | | Join Date: Sep 2009
Posts: 951
| | | Re: Crucifer for ID
Sorry, I must have been living in the Northern Isles for too long. There was mustardy type thing that we used to call shepherds needles a bit like a big Thale Cress.
Just a thought. I once found a crucifer with pale yellowish flowers that turned out to be London Rocket. I seem to remember that it grew in waste places in London fron where it got it`s name. so the habitat would suite quite well.
I have not got round to checking in my books yet but give it a try.
Dave | | |
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