Assertion: xylem's cell | /r/RelatedTo | sieve cells
Facets:
Source sentences:
text: Albuminous cells have a similar role to companion cells, but are associated with sieve cells only and are hence found only in seedless vascular plants and gymnosperms.
text: Albuminous cells have a similar role to companion cells, but are associated with sieve cells only and are hence found only in seedless vascular plants and gymnosperms.