I have some of these,with seeds collected in Botanical Garden of Naples,,is not easy to germinate,sometimes even two years the seeds for germination !
while for me,it was easier to germinate Trithrinax acanthocoma or brasiliensis
photo n.3 Trithrinax brasiliensis in Botanical Garden of Naples,my city
http://www.pacsoa.org.au/palms/Trithrinax/brasiliensis.html