Plant people put back inside in top condition (7)
I believe the answer is:
anemone
'plant' is the definition.
(anemone is a kind of plant)
'people put back inside in top condition' is the wordplay.
'people' becomes 'men' (men are people).
'put back' is a reversal indicator.
'inside' means one lot of letters goes inside another.
'in top condition' becomes 'aone' (I am not sure about this - if you are sure you should believe this answer much more).
'men' back-to-front is 'nem'.
'nem' going within 'aone' is 'ANEMONE'.
Can you help me to learn more?
(Other definitions for anemone that I've seen before include "Growth" , "Flower; marine creature" , "A flower; mean one (anag.)" , "Pretty flower or sea animal" , "Kind of buttercup with white or coloured flowers" .)