hydrangea
Concise Oxford English Dictionary © 2008 Oxford University Press:
hydrangea /hʌɪˈdreɪn(d)ʒə/
▶noun a shrub with flowering heads of white, blue, or pink florets, native to Asia and America. [Hydrangea macrophylla and related species.]
– origin mod. L., from Gk hudro- ‘water’ + angeion ‘vessel’ (from the cup shape of its seed capsule).
'hydrangea' also found in these Oxford entries:

