ochrea
/ˈoʊkriə/
noun
- A thin, papery sheath that surrounds the stem of certain plants, especially in the buckwheat family.
- Many plants in the Polygonaceae family have a distinctive ochrea around their stems.
- When identifying weeds, look for the ochrea, which is a key feature of smartweed.
- The botanist pointed out the ochrea at the base of the rhubarb leaf.
Synonyms