Assertion: moss's flower | /r/CapableOf | produce microspore
Facets:
Source sentences:
text: An individual tree of the European holly ( Ilex aquifolium ) produces either 'male' flowers which have only functional stamens (microsporangia) producing microspores which develop into pollen grains (microgametophytes) or 'female' flowers which have only functional carpels producing integumented megasporangia (ovules) that contain a megaspore that develops into a multicellular megagametophyte.