calyptra / kəˈlɪp trə /

📖毕业后词汇钙钛矿钙质钙化剂钙化

calyptra 的定义

n. 名词 noun

Botany.

  1. Also called cap. a hood or hoodlike part, as the lid of the capsule in mosses.
  2. a root cap.

更多calyptra例句

  1. The calyptra is half-cleft, and the lid conical and shortly beaked.
  2. The calyptra (fig. 24) is half-cleft (dimidiate) and very hairy.
  3. In Calyptra Equestris, it has two prominent points, and is described as bi-furcated (fig. 18).
  4. The Calyptra may be known from Crepidula by the septum, which in the latter is a flat plate reaching half way across the cavity.
  5. Involucral leaves coalescent into an oblong truncate hairy tube, blended in our species with the calyptra; perianth none.