organ-pipe cactus

[ awr-guh n-pahyp ]
/ ˈɔr gənˌpaɪp /

noun

a treelike or columnar cactus, Lemaireocereus marginatus, of Mexico, having a central, erect spine surrounded by spreading spines in clusters of five to eight, and funnel-shaped, brownish-purple flowers.

Origin of organ-pipe cactus

First recorded in 1905–10