All lilacs belong to the genus Syringa, derived from the Greek word ‘syrinx’,
meaning a pipe or flute. In Greek mythology, Syrinx was a nymph who turned
into a reed to hide from Pan. Pan used the reed to make the first flute.
Lilac wood, along with its hollow-stemmed relative mock orange, was used to
make pipes, and so Pipe-privet and Blew Pipe-tree (or Blue Pipe-tree) were
also early lilac names. Mayflower, Duck's bills (for the appearance of the
seed pods), or Blue Ash are all traditional British names for the Lilac.