Oxalis stricta, Oxalis europaea, Oxalis fontana
Stivgaukesye Klöveroxalis Rank Surkløver Upright Yellow Sorrel
Uncommon in the region, but found in Denmark and parts of southern Sweden.
Related to Wood sorrel, but much later flowering, it is found on mainly in decidous woodland.
Although poisonous (the leaves contain oxalic acid) a few leaves give a refreshing taste to a dry mouth while you are out walking in the woods.
Latin synonyms : Oxalis europaea, Oxalis fontana