Ex·​o·​ste·​ma | \ ˌeksəˈstēmə\

Definition of Exostema

: a genus of tropical American trees or shrubs (family Rubiaceae) with small salverform white flowers and capsular fruits — see princewood

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History and Etymology for Exostema

New Latin, from exo- + Late Greek stēma stamen, from Greek, shaft, from histanai to cause to stand; from the exserted stamens

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