Crossword Genius

Seed with long head (4,3)

Ross

I believe the answer is:

pine nut

'seed' is the definition.
(I know that pine nut is a type of seed)

'with long head' is the wordplay.
'with' means one lot of letters go next to another.
'long' becomes 'pine' (to pine for someone is to long for them).
'head' becomes 'nut' (informal term for somebody's head).
'pine'+'nut' is 'PINE NUT'.

(Another definition for pine nut that I've seen is " Producer of evergreen".)

I've seen this clue in The Telegraph.
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