What do you call that lovely yellow flower that nods so gleefully across the spring landscape? Many call it a daffodil; some know it by jonquil and others insist on narcissus. All nice-sounding names, ...

Flower lovers are being urged to help map daffodils across the UK - and look out for rare pink, white and "bonfire" yellow varieties. The Royal Horticultural Society (RHS) is launching a "daffodil ...