Assertion: peristome | /r/HasProperty | formed
Facets:
value: from amphithecial tissue
type: OTHER
Source sentences:
text: The amphithecium and inner endothecium are embryonic layers differentiated at an early stage of sporophyte ontogeny, and all peristomes are formed from amphithecial tissue.
text: The amphithecium and inner endothecium are embryonic layers differentiated at an early stage of sporophyte ontogeny, and all peristomes are formed from amphithecial tissue.