We don't have synonyms for ochrea yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are ochre, ochrey and chrea.
(n) :
(botany) Alternative form of ocrea. [(botany) A sheath around a plant stem forming from the stipule of a leaf and extending above the point of insertion of the leaf.]
(n) :
(botany) Alternative form of ocrea. [(botany) A sheath around a plant stem forming from the stipule of a leaf and extending above the point of insertion of the leaf.]