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Leaf sheath margins

Only use this character if the leaf has a distinct sheath.

L113 entirely free, often overlapping

The sheath encircles the stem but are entirely free from each other such that the sheath can be removed to expose the stem without tearing tissue. 

L114 at least partially fused to form a tube

The sheath margins are fused to each other such that the sheath is not able to be removed to expose the stem without tearing tissue.