CALYPTRA Meaning and
Definition
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Calyptra refers to a botanical term that is predominantly used to describe a protective structure found in moss plants. Specifically, it is defined as a hood or cap-like structure that surrounds and protects the developing sporophyte of a moss.
The calyptra is formed from the archegonium, which is the female reproductive organ in a moss plant. Once fertilization occurs, the calyptra covers the embryonic sporophyte, acting as a protective layer until it matures and is ready for dispersal. The calyptra serves multiple functions, including safeguarding the developing sporophyte from desiccation, physical damage, and various environmental stresses.
Typically, the calyptra is composed of specialized cells that are derived from the outer tissues of the archegonium. These cells may differ in shape, color, and texture from the other parts of the moss plant. In some moss species, the calyptra may be shed or fall off as the sporophyte grows and the spores mature.
The presence and characteristics of the calyptra can be used as taxonomic traits to distinguish between different species of moss, as they vary in size, shape, and ornamentation. Additionally, the appearance and persistence of the calyptra can also play a significant role in moss ecology, aiding in the protection and dispersal of the developing sporophyte.
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A hoodlike covering of the capsule of mosses, formed from the ruptured venter of the archegonium.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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In bot., little hoods covering the inflorescence of mosses.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Common Misspellings for CALYPTRA
- xalyptra
- valyptra
- falyptra
- dalyptra
- czlyptra
- cslyptra
- cwlyptra
- cqlyptra
- cakyptra
- capyptra
- caoyptra
- caltptra
- calgptra
- calhptra
- caluptra
- cal7ptra
- cal6ptra
- calyotra
- calyltra
Etymology of CALYPTRA
The word "calyptra" comes from the Greek word "kálupto̱", which means "to cover" or "to conceal". In ancient Greek, a "kalyptra" referred to a covering or veil that was worn over the head or face. The word was subsequently borrowed into Latin as "calyptra", retaining its original meaning. In the field of botany, "calyptra" specifically refers to the protective cap or hood that covers the capsule or sporangium of certain plants, such as mosses.
Similar spelling words for CALYPTRA
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