Assertion: chalaza | /r/HasProperty | fig. 27a
Facets:
Source sentences:
text: In Bennettitales the integumentary tissue formed by these layers is free from the nucellus above the chalaza (Fig. 27a, at arrow) whereas in Gnetales the nucellus is fused to the integument for varying distances between the chalaza and the pollen chamber (Fig.
text: There is an outer envelope surrounding the integument of gnetalean seeds that is is constructed of fused bracteoles (Fig. 27b), that is not attached to the seed sensu stricto above the chalaza (Fig. 27b).