rhododendron

 
Pronunciation: /ˌrəʊdəˈdɛndr(ə)n/

noun

  • a shrub or small tree of the heather family, with large clusters of bell-shaped flowers and typically with large evergreen leaves, widely grown as an ornamental.
    • Genus Rhododendron, family Ericaceae: many cultivars

Origin:

via Latin from Greek, from rhodon 'rose' + dendron 'tree'

Spelling help

Remember that rhododendron begins with rhodo- and ends with -on.