Waxy-flowered plant (7)
I believe the answer is:
begonia
'waxy-flowered plant' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for begonia that I've seen before include "colourful flower" , "bloomer" , "Herbaceous plant whose flowers have no petals" , "Tropical plant" , "Common garden plant" .)