Ochrea

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File:Ocreae of a Persicaria maculosa 2006-aug-10 Gothenburg Sweden.jpg
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.[1]Template:R/superscript[2]Template:R/superscript It is typically found in the buckwheat family Polygonaceae and in some members of the orchid family Orchidaceae.[3]Template:R/superscript[4]Template:R/superscript In the palm family Arecaceae, it is an extension of the leaf sheath beyond the petiole insertion.[5]Template:R/superscript

References

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  1. ^ Page Module:Citation/CS1/styles.css has no content."Ocrea". A Grammatical Dictionary of Botanical Latin. Missouri Botanical Garden. Retrieved 7 January 2026.
  2. ^ Page Module:Citation/CS1/styles.css has no content."Ocrea". New York Botanical Garden. Retrieved 7 January 2026.
  3. ^ Page Module:Citation/CS1/styles.css has no content.Brandbyge J (1993). "Polygonaceae". In Kubitzki K, Rohwer JG, Bittrich V (eds.). Flowering Plants · 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.
  4. ^ Page Module:Citation/CS1/styles.css has no content."Ocreatus". A Grammatical Dictionary of Botanical Latin. Missouri Botanical Garden. Retrieved 6 January 2026.
  5. ^ Script error: No such module "template wrapper".

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