Resist work initially with passion in plant (9)
I believe the answer is:
buckwheat
'plant' is the definition.
(buckwheat is a kind of plant)
'resist work initially with passion' is the wordplay.
'resist' becomes 'buck' (I've seen this before).
'work initially' becomes 'w' (physics abbreviation. I am not sure about the 'initially' bit.**).
'with' is a charade indicator (letters next to each other).
'passion' becomes 'heat' ('heat' can be a synonym of 'passion').
'buck'+'w'+'heat'='BUCKWHEAT'
'in' acts as a link.
Can you help me to learn more?
(Other definitions for buckwheat that I've seen before include "fodder plant" , "cereal crop" , "Type of cereal" .)