calyptra 的定义
Botany.
- Also called cap. a hood or hoodlike part, as the lid of the capsule in mosses.
- a root cap.
更多calyptra例句
- The calyptra is half-cleft, and the lid conical and shortly beaked.
- The calyptra (fig. 24) is half-cleft (dimidiate) and very hairy.
- In Calyptra Equestris, it has two prominent points, and is described as bi-furcated (fig. 18).
- The Calyptra may be known from Crepidula by the septum, which in the latter is a flat plate reaching half way across the cavity.
- Involucral leaves coalescent into an oblong truncate hairy tube, blended in our species with the calyptra; perianth none.