Also spelled beach sheoak, and called 🐎︎ horsetail casuarina, whistling tree, Filao tree and agoho.
Despite a common name, not an
oak genus Quercus.
Despite another common name, not a
🌲︎ pine genus Pinus,
either. Not even a
🌲︎ conifer order Pinales.
But on first look, its leaves looks like it could be. It's even evergreen!
Part of
she-oak family Casuarinaceae
in [bizarrely]
bayberry / beech / birch / oak / she-oak / walnut order Fagales
(yes, these beech trees are spelled and derived differently than this tree's common name beach). Note that this order Fagales, down a different path, does include
beech / oak family Fagaceae
and its
oak genus Quercus.
Native to southern Asia, Oceania, and 🇦🇺 Australia.
🗺 Map by county (🇺🇸 USA-48)
(color key).
Invasive > 🌐︎ global
Invasive > 🌐︎ various
Invasive > 🇺🇸 USA
Uses by native peoples
(Ethnobotany database)
🇦🇺 Australian pine produces an
allelopathic chemical
that suppresses 🌱︎ germination of plants not already adapted to this attack.