Ochrea
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(Redirected from Ocrea)
Ochrea on a redshank stem
An ochrea (Latin ocrea, greave or protective legging), also spelled ocrea, is a plant structure formed of stipules fused into a sheath surrounding the stem, and is typically found in the Polygonaceae.
In palms it denotes an extension of the leaf sheath beyond the petiole insertion.
References
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