The investigation into angiosperm flora has identified 5 flowering plants as a new record to Manipur state, northeast India: Amorphophallus napalensis (Wall.) Bogner & Mayo and Arisaema nephanthoides (Wall.) Mart. (Araceae), Impateins pulchra Hook. f. & Thomson (Balsaminaceae), Lonicera acuminata Wall. (Caprifoliaceae) and Silene baccifera (L.) Durande (Caryophyllaceae). Notably, the genus Silene is a new addition to the state’s flora. Detailed morphological descriptions and colour photo plates are provided for easy identification.