Belonging or relating to the subfamily Phoenicoideae of palms, comprising the genus Phoenix.
1970s; earliest use found in American Journal of Botany. From classical Latin phoenīc-, phoenix date palm + -oid, after scientific Latin Phoenicoideae, subfamily name.
Designating fungi that grow or produce fruiting bodies on substrates that have been subjected to fire or other source of extreme heat.
1980s. From classical Latin phoenīc-, phoenīx phoenix + -oid.