Definition of ochrea in English:
ochrea
nounPlural ochreae, Plural ochreasˈɒkrɪə
Botany A dry sheath round a stem formed by the cohesion of two or more stipules, characteristic of the dock family.
Example sentencesExamples
- 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.
Synonyms
covering, cover, case, casing, envelope, sleeve, wrapper
Origin
Mid 19th century: from Latin, literally 'protective legging'.