Bougainvillaea
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Bougainvillaea was a flower. When on Messaline, the Tenth Doctor noted that he could smell them. (TV: The Doctor's Daughter [+]Loading...["The Doctor's Daughter (TV story)"])
Alistair Gordon Lethbridge-Stewart remembered the smell of the Bougainvillaea flowers on a beach in the Caribbean. (AUDIO: The Paradise of Death [+]Loading...["The Paradise of Death (audio story)"])