Teasels are easily identified with their prickly stem and leaves, and the inflorescence of purple, dark pink or lavender flowers that form a head on the end of the stem(s). They make fine dried flowers for arrangements.
Teasel
Fuller’s Teasel / Teasle
Earth laughs in flowers 
I never noticed the Fibonacci spirals in teasels before; this is a wonderful photo of them. So sculptural!
Thank you. They are sculptural – I should try and find a better photo of them though as these are a bit scruffy.
interesting!
apparently used to tease the wool from sheep!
amazing!