Leucothrinax morrisii, the
Key thatch palm, is a small palm which is native to the Greater Antilles, northern Lesser Antilles, The Bahamas and the Florida Keys. Until 2008 it was known as
Thrinax morrisii. It was split from the genus
Thrinax after phylogenetic studies showed that its inclusion in
Thrinax would render that genus paraphyletic. The generic name combines
leuco (in reference to the whitish colour of its flowering stalks and the undersid
(Wikipedia)