Synonyms: Anacampta echinata; Anacampta hirtula; Anacampta longifolia; Bonafousia guyanensis; Bonafousia hirtula; Bonafousia juruana; Bonafousia killipii; Bonafousia siphilitica (homotypic); Bonafousia siphilitica var. hirtula; Bonafousia siphilitica var. juruana; Bonafousia speciosa; Bonafousia tessmannii; Bonafousia tetrastachya; Echites siphiliticus (homotypic); Malouetia tetrastachya; Mesechites syphilitica (homotypic); Peschiera echinata; Tabernaemontana cuyabensis; Tabernaemontana duckei; Tabernaemontana echinata (heterotypic); Tabernaemontana guianensis; Tabernaemontana guyanensis; Tabernaemontana hirtula (homotypic); Tabernaemontana hirtula var. maynensis; Tabernaemontana juruana (homotypic); Tabernaemontana killipii; Tabernaemontana longifolia; Tabernaemontana repanda; Tabernaemontana speciosa; Tabernaemontana tessmannii; Tabernaemontana tetrastachya