Assertion: moss's structure | /r/Synonym | calyptra
Facets:
Source sentences:
text: However, it ultimately fails to keep pace with the growth of the sporophyte and becomes detached from its base, forming a cap-like structure called a calyptra.
text: A protective, sheath-like structure called the calyptra encases each embryo.
text: However, it ultimately fails to keep pace with the growth of the sporophyte and becomes detached from its base, forming a cap-like structure called a calyptra.