By Windy
cambridgeshire,
United Kingdom 
can anyone identify the yellow flower ? its a mystery to me, i planted dwarf iris and anemone in this tub wth an allium in the center but what i assume is a crocus & the unknown yellow flower appeared at the same time as the iris, its jst curiosity, there will be more pics in my pics shortly...thankyou one&all ;)
On plant
unknown
9 May, 2010
Answers
Or a celandine, maybe? What are the leaves like, Windy?
9 May, 2010
Persian buttercup Windy. its lovely
9 May, 2010
it could be one of the small species crocus too. especially as it has 6 petals. most of the buttercup family have petals in sets of 5.
9 May, 2010
Definitely Crocus.
9 May, 2010
MUCH better than celandine or buttercup! :-)))
9 May, 2010
Unfortunantly this is my only other pic taken around the middle of march, by early april all gone crocus,iris etc....what followed these you can see in my pics (anemone)....thankyou everybody, i guess we will see next spring if it appears again. ;)
10 May, 2010
Previous question
It looks like ranunculus from here :-/
9 May, 2010