boojum
noun
boo·jum ˈbü-jəm 
: a tall spiny long-lived desert tree (Fouquieria columnaris synonym Idria columnaris) native to northwestern Mexico and related to the ocotillo
Example Sentences
Recent Examples on the Web As Lewis Carroll might have said, outliving the snark is one way to never become your own boojum. 
Adam Gopnik, The New Yorker, 29 July 2022
Adam Gopnik, The New Yorker, 29 July 2022 Word History
Etymology
perhaps from boojum, an imaginary creature in The Hunting of the Snark by Lewis Carroll; from its grotesque appearance
First Known Use
1951, in the meaning defined above