xan·​thor·​rhoea | \ˌzan(t)thəˈrēə\

Definition of xanthorrhoea 

1 capitalized : a genus of Australian plants (family Liliaceae) having a thick woody trunk or caudex that bears a cluster of stiff linear leaves and a dense terminal spike of small flowers — see grass tree

2 plural -s : any plant of the genus Xanthorrhoea

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History and Etymology for xanthorrhoea

New Latin, from xanth- + -rrhea; from the yellow gum it exudes

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living or existing for a long time

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