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Tim - many thanks for revised ID. Can I ask which features lead you to this? My copy of Rose's Wild Flower Key says simply there are 'hundreds of closely similar microspecies'. I have not been able to find any worthwhile info on T. sect Hamata online. NBN map has no records of this at all in my area, although I realise this is likely due to under-reporting rather than me stumbling across a rarity in the local park!
Any info appreciated.
from the size and strongly recurved lobes, and its a common early-flowering species. Dudman & Richards BSBI Handbook best source. Try my iSpot key too but you need to know its section Hamata berfore you can use it...
Many thanks for reply and info, much appreciated
Lat/Lng: 55.819793, -4.205111
OS grid ref: NS619607