Purple flower (4)
(Other definitions for aster that I've seen before include "Stare (anag.)" , "Plant like a Michaelmas daisy" , "Showy garden flower" , "Flower of the daisy family - rates (anag)" , "Stare at pretty flower" .)
'purple flower' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for lilac that I've seen before include "Shrub with fragrant pink, purple or white flowers" , "Mauve-like colour" , "I call (anag)" , "Drop by about one, turning" , "Pale purple - flowering tree" .)
'purple flower' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for iris that I've seen before include "A flower; spirit conjured in Tempest" , "Part of the eye, usually brown or blue" , "Nice flower or eye part" , "Female" , "bit of mince pie" .)
'purple flower' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for violet that I've seen before include "Reddish blue colour" , "plant" , "Girl's name - colour" , "Colour at opposite end of spectrum from red" , "William's girl" .)