Crossword Genius

Flexible tree possibly includes one (6)

Ross

I believe the answer is:

pliant

'flexible' is the definition.
('pliant' can be a synonym of 'flexible')

'tree possibly includes one' is the wordplay.
'tree possibly' becomes 'plant' (tree is a kind of plant).
'includes' indicates putting letters inside.
'one' becomes 'i' (Roman numeral).
'plant' placed around 'i' is 'PLIANT'.

(Other definitions for pliant that I've seen before include "Flexible - yielding" , "Supple or flexible" , "easily modified" , "Accommodating" , "Malleable, flexible" .)

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