leptospermum

[ lep-tuh-spur-muh m ]
/ ˌlɛp təˈspɜr məm /

noun

any of various shrubs or trees of the genus Leptospermum, of the myrtle family, native to Australia and adjacent areas and often cultivated as ornamentals in milder climates.
Compare tea tree.

Origin of leptospermum

< New Latin (1776), equivalent to lepto- lepto- + -spermum, neuter of -spermus -spermous