Tropical plant (5)
'tropical plant' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for begonia that I've seen before include "colourful flower" , "Herbaceous plant whose flowers have no petals" , "Tropical plant" , "bloomer" , "Common garden plant" .)
'tropical plant' is the definition.
(senna is a tropical plant genus)
This is the entire clue.
(Other definitions for senna that I've seen before include "Brazilian F1 champion, d. 1994" , "taking this to speed up motion?" , "Tropical plant with medicinal leaflets" , "purgative's needed" , "Medicinal plant - racing driver, Ayrton" .)
'tropical plant' is the definition.
(plant grown in tropical regions)
This is all the clue.
(Other definitions for agave that I've seen before include "Succulent plant" , "source of tequila" , "Tropical plant" , "Spiky succulent" , "Succulent; daughter of Cadmus" .)