"But if ever I meet with a Boojum, that day,
In a moment (of this I am sure),
I shall softly and suddenly vanish away—
And the notion I cannot endure!"
-Lewis Carroll, The Hunting of the Snark, 1874
And this is the tree called the boojum, described by some as an upside-down carrot, and named after Carroll's character so strange. Found only along the Baja coast of California, Fouquieria columnaris sells for as much as $1000 per foot.