Assertion: cycad's seed | /r/CapableOf | maintain viability
Facets:
value: after prolonged immersion in sea water
type: TEMPORAL
Source sentences:
text: Cycas subsection Rumphiae has seeds with a spongy endocarp not seen elsewhere among the cycads, which gives a potential for oceanic dispersal, and it has been demonstrated that seeds maintain viability after prolonged immersion in sea water.