What is the flower that stands for: severity?

Questions

Which English king married Berengaria of Navarre, who never set foot on English soil?

The town of Beersheba is in which country?

Which American clarinettist bandleader was known as 'The King of Swing'?

Which British statesman, Minister of Labour in the National Government (1940-1945) became Foreign Secretary in Attlee's Cabinet (1945-1951)?

In the Dickens' novel 'Great Expectations' what was the Christian name of the convict 'Magwitch'?