Brunfelsia pauciflora is a species of flowering plant in the family Solanaceae, the nightshades. It is endemic to Brazil, and it is grown in cultivation. Its common names include yesterday-today-and-tomorrow, morning-noon-and-night, Kiss Me Quick, and Brazil raintree. The genus name Brunfelsia commemorates sixteenth century German monk, Otto Brunfels. The species name, bonodora, is from the Latin, and means 'sweet-smelling'.