SES-trum -- meaning, point (possibly resembling the cestrum, a pointed tool used for art)
dy-YUR-num -- pertaining to a day, day-flowering
commonly known as: China Berry, day jasmine, inkberry, white chocolate jasmine • Hindi: दिन का राजा din ka raja
Origin: Tropical America
... cymes combined in racemes in axils and terminal ... flowers subsessile, about 1-1.5 cm long, calyx green, 5-toothed, corolla white, with 5 (rarely 6) short rounded reflexed lobes.
Blogged at: Slice of the Day by Vasant M. Salian