释义 |
ramentum
ramentum (rəˈmɛntəm) n, pl -ta (-tə) (Botany) any of the thin brown scales that cover the stems and leaves of young ferns[C17: from Latin rādere to scrape] ramentaceous adj
ramentum
ramentum[rə′men·təm] (botany) A thin brownish scale consisting of a single layer of cells and occurring on the leaves and young shoots of many ferns. |