The coat of arms of the United Kingdom are the arms of dominion of the British monarch. They are both the personal arms of the monarch, currently King Charles III, and the arms of the state. In addition to the monarch, the arms are used by state institutions including the Government of the United Kingdom, the Parliament of the United Kingdom, and the British judiciary. Differenced versions of the arms are used by members of the British royal family. The monarch's official flag, the Royal Standard, is the coat of arms in flag form.
St Michael's Parish Church, Linlithgow, Scotland: Scottish version of the royal arms of the Hanoverians, used from 1801 to 1816
The Royal Shield formed by six UK coins, with the £1 coin depicting the whole of the shield.
Shamrock
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A shamrock is a type of clover, used as a symbol of Ireland. Saint Patrick, one of Ireland's patron saints, is said to have used it as a metaphor for the Christian Holy Trinity. The name shamrock comes from Irish seamróg, which is the diminutive of the Irish word seamair and simply means "young clover".
Trifolium dubium
This flowering Shamrock was purchased at a grocery store. It is a South American species of wood sorrel Oxalis regnellii.
Trifolium repens
Medicago lupulina