Assertion: ovary's ovule | /r/HasProperty | angiospermy
Facets:
Source sentences:
text: It is often considered to have evolved from enfolded megasporophyll or some other ovuliferous structure with enclosed ovules (angiospermy); alternatively, it is thought to have arisen from the cuplike bracts of extinct seed-bearing plants on which the leafy bracts grew together and thus enclosed the ovules.