fouquieria columnaris

from WordNet (r) 3.0 (2006)

Fouquieria columnaris
    n 1: candlewood of Mexico and southwestern California having
         tall columnar stems and bearing honey-scented creamy yellow
         flowers [syn: {boojum tree}, {cirio}, {Fouquieria
         columnaris}, {Idria columnaris}]

from The Collaborative International Dictionary of English v.0.48

cirio \cirio\ n.
   the candlewood of Mexico and couthwestern California ({Idria
   columnaris} or {Fouquieria columnaris}), having tall columnar
   stems and bearing honey-scented creamy yellow flowers; --
   called also the {boojum tree}.

   Syn: boojum tree, {Fouquieria columnaris}, {Idria
        columnaris}.
        [WordNet 1.5]