This grey green cactus forms a globular habit with in excess of 30 ribs and a slightly depressed woolly crown. It has short yellow-white spines that densely cover the plant and the yellow, red-orange funnel-shaped flowers appear at night during summer.   

Hardiness zones 9 to 11 

Parodia haselbergii is naturally found in southern Brazil growing in very well drained sandy, stony soils in an open sunny position and tolerates drought and high temperatures but is frost tender.
  
Ball Cactus is a rounded cactus that is grown for its flowers and is planted in arid or cacti gardens as a specimen. It is also grown in rock gardens or as a container plant for indoor or outdoor use.  It is a popular house plant establishing from division in 2 to 3 years requiring bright light. ID 1769

Parodia (pa-RŌ-dee-a) haselbergii (hah-zal-ber-ee-eye)

Cactaceae (kak-TAY-see-ee)