Prickly growth in a tin like this (8)

I believe the answer is:

acanthus

I'm a little stuck... Click here to teach me more about this clue!

'prickly growth' is the definition.
'acanthus' can be an answer for 'growth' (I've seen this before). I'm not certain of the 'prickly' bit.

'a tin like this' is the wordplay.
'tin' becomes 'can' (synonyms).
'like this' becomes 'thus' (I've seen this before).
'a'+'can'+'thus'='ACANTHUS'

'in' is the link.

Can you help me to learn more?

(Other definitions for acanthus that I've seen before include "Prickly-leaved shrub" , "Carved ornament" , "Herbaceous shrub" , "Plant with prickly leaves" , "Growth" .)

I've seen this clue in The Sun.

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