One of the mysteries of the English language finally explained.
nounPlural ochreae, Plural ochreasBotany
A dry sheath round a stem formed by the cohesion of two or more stipules, characteristic of the dock family.
covering, cover, case, casing, envelope, sleeve, wrapperView synonyms
- ‘The stipules take the form of a protective organ, the ochrea, which at first totally covers the shoot bud, and then remains behind as a dry collar.’
- ‘In this family, the ochrea completely encircles the stem.’
- ‘The plant has the characteristic ochrea of the buckwheat family at the junction of the petiole and stem.’
- ‘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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