Rose's prickle (5)
I believe the answer is:
thorn
(Other definitions for thorn that I've seen before include "It causes irritation and annoyance" , "Source of irritation" , "tip of R [ROSE]" , "Sharp point on plant" , "Something 20 [SHARP]" .)
I believe the answer is:
thorn
(Other definitions for thorn that I've seen before include "It causes irritation and annoyance" , "Source of irritation" , "tip of R [ROSE]" , "Sharp point on plant" , "Something 20 [SHARP]" .)