The prominent cephalium is formed of white wool and a few short bristles.

The slender, funnel-shaped, yellowish white flowers are 4 to 5 centimeters long.

[4] Discocactus bahiensis is a cactus species native to the Brazilian state of Bahia at altitudes between 380 and 650 meters.

Plants are found growing in limestone near rivers and flood plains.

The species name "bahiensis" specifically denotes its presence in Bahia, Brazil.