Are there different types of shamrock and if so what is the commonest?
Yes there are = The shamrock, a symbol of Ireland and a registered trademark of the Republic of Ireland,is a three-leafed old white clover, sometimes of the variety Trifolium repens ( a white clover, known in Irish as seamair bhán) but today usually Trifolium dubium (a lesser clover, Irish: seamair bhuí). The diminutive version of the Irish word for “clover” (“seamair”) is “seamaróg”, which was Anglicized as “shamrock”, representing a close approximation of the original Irish pronunciation. However, other three-leafed plants — such as black medic (Medicago lupulina), red clover (Trifolium pratense), and Common wood sorrel (genus Oxalis) — are sometimes designated as shamrocks. The shamrock was traditionally used for its medical properties and was a popular motif in Victorian times. It is also a common way to represent St. Patrick’s Day. Shamrocks are said to bring good luck. All the plants listed below are known by ‘Shamrock’ in various cultures . It will be difficult to say which is t