The Arecaceae (/ ˌ ær ə ˈ k eɪ s i. iː,-ˌ aɪ /) is a family of perennial, flowering plants in the monocot order Arecales.Their growth form can be climbers, shrubs, tree-like and stemless plants, all commonly known as palms.Those having a tree-like form are colloquially called palm trees. [4] Currently, 181 genera with around 2,600 species are known, [5] [6] most of which are restricted ...