Xerophyte

Habit

It is a slowly growing succulent species, usually solitary, but sometimes cespitose.

Forma Rubra

The red schizochromic form (Gymnocalycium ragoneseiSN|21425]]SN|21425]] f. rubra) has bright orange-red stems due to the absence (or reduced production) of chlorophyll pigments

Flowers

2-3 at any one time near centre of plant, funnel shaped with narrow floral tube, creamy-white with a dull red throat, up to 3-4(-5) cm long, 3-4(-4,5) cm diameter.

Blooming Season

Flowers are produced in late spring and remain open for up to twelve days.

Spines

Short, 5-5, usually 6, thin, almost hairlike, pale creamy-white to greyish-white, with darker tips, to 3 mm long, spidery, flattened against stem (rarely sticking out - easy cactus to handle).

Ribs

7-10, very flat, separated by poorly delineated transverse furrows.

Stem

Very flattened globose, almost disk shaped, dark red or purplish1,4-2,5 cm tall and up to 5(-7,5) cm in diameter.

Fruits

Slender, ovoid or spindle shaped, greenish brown, to 2,5-4 cm long, grey with pale edged margins.