Assertion: stone | /r/HasProperty | fig. 1b
Facets:
Source sentences:
text: Initiation of lignification in the outer layers of the endocarp ( Fig. 1B ) demarcates the boundary between the mesocarp and endocarp and differentiates the endocarp into two zones at the apex: the outer lignified layers and the inner 6–7 layers of large parenchyma cells ( Fig. 2J ).