'Yellow Tang' is a Darryl Miyamoto hybrid registered with the Epiphyllum Society of America (ESA) in 2009.
 
Inner petals dark yellow. Outer petals dark yellow with some bronze. Double, wide form. Small, flat and three angled growth.
 
Double, open bell form. Tall, flat, 3-angled branched  growth.
MEDIUM {M} sized  flowers (15-18cm) 
'Evening Delight' x 'Chiba Lovely Dawn'
Reg#: 13534

The cutting you receive  is from the same plant as the photos you see above.