Haageocereus fascicularis

Haageocereus fascicularis commonly known as 'Quisco de la precordillera de Arica' 
is a species of cactus from the family Cactaceae. It is endemic to southern Peru and northern Chile.
It branches at the base. It reaches about 3 feet in height with many arms measuring about 2 to 3 inches in diameter.
Its white, very fragrant flowers open at night and measure about 3 inches. Its fruit is bright red.
References.
The Cactus Family By Edward F. Anderson, Wilhelm Barthlott, Roger Brown