The Collaborative International Dictionary
Cneorum tricoccon
Widow-wail \Wid"ow-wail`\, n. (Bot.) A low, narrowleaved evergreen shrub ( Cneorum tricoccon) found in Southern Europe.
Wikipedia
Cneorum tricoccon
Cneorum tricoccon, the spurge olive, is a small shrub of the family Rutaceae, native to Europe in the western Mediterranean Region.