Xerophyte

Habit

is one of the larger headed species, solitary or sometime clustering in cultivation when the main head is about 5-7 cm in diameter .

Central Spines

4-6 speading, 12-18 mm long.

Description

Sulcorebutia santiaginiensisSN|15219]]SN|15219]] is one of the innumerable local form of the very variable Rebutia mentosaSN|5257]]SN|5257]], it is very similar (if not the same) as Rebutia mentosa subs. purpurea but (?) with somewhat weaker spines.

Roots

It has long Dahlia like tuberous roots.

Note

This Taxon has lots of synonyms (like many other cacti) whit several controversial varieties and subspecies and comprises a multitude of different forms, but where each form is linked to others by populations of plants with intermediate characteristics

Flowers

Showy that cluster around the lower stem about 2-3 cm tall, 3,5-4,5 cm in diameter, funnel-shaped with short necks (about 5 mm), purple to violet-red or dark red clove-shented.

Spines

Sand coloured, light-brown to reddish brown or whitish strong, comb-like, spreading out and bent down to the body.

Ribs

About 18, completely divided into tubercles and unrecognisable; tubercles, spiralling about 4 x 5 cm with chinned protrusions.

Stem

Grass-green, flattened globular, hemispherical or shortly cylindrical, depressed at apex, 4-9 cm tall 3-4 cm in diameter.

Radial Spines

8-10, 10-14 mm long.

Fruits

Dark reddish-brown with pale green scales 7-10 mm in diameter.

Areoles

4-6 mm long, elongate and felted, up to 1 cm apart.