a large evergreen shrub or tree (Heteromeles arbutifolia) of the rose family, with clusters of white flowers and bright-red berries: it is native to California
See toyon in American Heritage Dictionary 4
(toiˈŏnˌ)
noun
An evergreen Californian shrub (Heteromeles arbutifolia), having leathery leaves, small white flowers in large panicles, and red, fleshy, berrylike fruit. Also called Christmas berry.