Exotic vines apt to bleed when cut (5)

I believe the answer is:

veins

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'apt to bleed when cut' is the definition.
I can't judge whether this defines the answer.

'exotic vines' is the wordplay.
'exotic' is an anagram indicator (an unusual form of the letters).
'vines' is an anagram of 'VEINS'.

Can you help me to learn more?

(Other definitions for veins that I've seen before include "Circulation aids" , "Layers of ore" , "Characteristic styles" , "Blood vessels" .)

I've seen this clue in the Evening Standard.

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