Transplant plants, say, and store (5)

I believe the answer is:

depot

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'store' is the definition.
(depot can mean a store or warehouse)

I can't explain the rest of the clue.

(Other definitions for depot that I've seen before include "Place for storing or despatching goods" , "Store for large quantities" , "Bus station or warehouse" , "Military HQ" , "Storage base" .)

I've seen this clue in The Independent.

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