A dry sheath round a stem formed by the cohesion of two or more stipules, characteristic of the dock family.‘The plant has the characteristic ochrea of the buckwheat family at the junction of the petiole and stem.’
covering, cover, case, casing, envelope, sleeve, wrapper
- ‘The ochrea in this species are ciliate (with a fringe of hairs) along their margin.’
Mid 19th century from Latin, literally ‘protective legging’.
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