Swartz O (1788) Nova Genera & Species Plantarum seu Prodromus descriptionum vegetabilium, maximam partem incognitorum quae sub itinere in Indiam Occidentalem annis 1783-87, Holmiae, Upsaliae and Aboae, Bibliopoliis Acad. M. Swederi: 1, 12
Protologue
[Located in section Monandria, sub-section Digynia]
The root of this name comes from the Latin for "laci" meaning torn, cut or incised (a sharp deep cut) and "stema", Latin for stamen.
Stamen line drawing of Lacistema lucidum
My thanks go to Christopher Davis, Herbarium Technician, General Herbarium, Botany Department, Natural History Museum, London for name clarification.