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Term Definition
Ócrea Estructura formada de las estípulas fusionadas hacia la base, formando una vaina que rodea a una rama; por ejemplo, éste es un caracter diagnóstico en las Polygonaceae
Ocrea A structure formed of stipules fused into a sheath and surrounding the stem; i.e., a diagnostic character of the Polygonaceae; Ocrea of Persicaria hydropiperoides.  Photo by S. A. Mori.
Ocrea A structure formed of stipules fused into a sheath and surrounding the stem; i.e., a diagnostic character of the Polygonaceae; in palms, an extension of the leaf sheath beyond the petiole insertion, is a different kind of ligule. Red ocrea of sprout of Coccoloba venosa. Photo by C. Gracie