Ochrea

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.[1]

In palms it denotes an extension of the leaf sheath beyond the petiole insertion.

References

  1. ^ Brandbyge J (1993). "Polygonaceae". In Kubitzki K, Rohwer JG, Bittrich V (eds.). Flowering Plants ยท Dicotyledons. The Families and Genera of Vascular Plants. Vol. 2. Springer, Berlin, Heidelberg. doi:10.1007/978-3-662-02899-5_63. ISBN 978-3-662-02899-5.
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