Another oxalis species with pinkish flowers is lilac oxalis (Oxalis incarnata), but this has branched stems unlike pink shamrock and is more active in winter. Just to be very confusing, there is ...
Stems often have a reddish tinge, which is why some farmers incorrectly call this weed "redshank." Flowers are pinkish in colour and quite small, but are clustered tightly together in compact ...