calyptra
noun
- the remains of the female sex organ, or archegonium, of a moss, forming the caplike covering of the spore case
- any similar covering of a fruit or flower
See calyptra in American Heritage Dictionary 4
(kə-lĭpˈtrə)
noun- The protective cap or hood covering the spore case of a moss or related plant.
- A similar hoodlike, lidlike, or caplike structure, such as a root cap.
Related Forms:
- ca·lypˈtrateˌ (-trātˌ) adjective
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