Lisa’s exotic plant (5)

I believe the answer is:

sisal

'plant' is the definition.
(sisal is a kind of plant)

'lisa's exotic' is the wordplay.
'exotic' indicates an anagram.
'lisas' is an anagram of 'SISAL'.

(Other definitions for sisal that I've seen before include "Hemp fibre" , "Ropemaker" , "Plant fibre used to make string" , "Type of fibre" , "Plant fibre used for ropes" .)

I've seen this clue in the Evening Standard.

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