Small stem (5)

I think it could be either:

Which length description are you looking for?:

sprig

'small stem' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for sprig that I've seen before include "Stem of holly, for example" , "piece of holly" , "Small leafy stem" , "Small nail without a head" , "Stem or spray" .)

I've seen this clue in The Mirror.

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