Scientific name: Homalomena occulta (Lour.) SchottEnglish name: Vietnamese name: Thiên niên kiện; Sơn thụcOther name: Calla occulta Lour.; Zantedeschia occulta (Lour.) Spreng.; Spirospatha occulta (Lour.) Raf.; Homalomena cochinchinensis Engl. & K. Krause; Calla aromatica Roxb.; Homalomena aromatica (Roxb.) Schott;