Hibiscus blossom was a rare honey, a jar of which Goronwy gave the Seventh Doctor when he left Shangri-La. (TV: Delta and the Bannermen [+]Loading...["Delta and the Bannermen (TV story)"])
However, this rare honey ended up becoming even rarer after Ace finished off the jar. (PROSE: Cat's Cradle: Witch Mark [+]Loading...["Cat's Cradle: Witch Mark (novel)"])