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sessile
1 : attached directly by the base : not raised upon a stalk or peduncle <a sessile leaf> <sessile bubbles>
[M-W's Dictionary]


Couldn't to or with be used instead of by in the above definition?
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Hi,

sessile
1 : attached directly by the base : not raised upon a stalk or peduncle <a sessile leaf> <sessile bubbles>
[M-W's Dictionary]


Couldn't to or with be used instead of by in the above definition? 'The base' here refers to the base of the leaf, which is an integral part of the leaf. The leaf is attached to the tree by means of this base. Thus, you can't say 'to'. And 'with' makes the base sound like it is separate from the leaf, eg The shelf was attached to the wall with screws'. So, 'by' is best.

Clive
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Jackson6612sessile
1 : attached directly by the base : not raised upon a stalk or peduncle <a sessile leaf> <sessile bubbles>
[M-W's Dictionary]


Couldn't to or with be used instead of by in the above definition?
My first choice would be at the base.