Xerophyte

Central Spines

None or 1-2 ± erect.

Description

Rebutia canigueralli (more often known as Sulcorebutia canigueralli) is a slow growing clustering cactus that may forms clumps of many heads. This is a highly variable species with several variety available with light green to purple colouration and small spines.

Phenology

Flowers are produced in late spring and remain open for three or four days.

Roots

Conical.

Flowers

From the basal part of the stem, 20 - 50 mm long, 35 - 50 mm wide Orange, Orange-red, lilac or dark magenta, often bi coloured, with yellow or white throats. Floral tube funnel-shaped yellowish-green or yellowish-red with tan coloured scales,It is a species with very variable flower colours.

Ribs

With raised tubercles (3-5 mm wide) . In older plants tubercles are arranged in up to 13(-16) spiral line merging in the apex.

Stem

Rapidly offsetting from the base, small, grey-green, green to dark purple A characteristic of this species is that the offsets develop roots while still attached to the mother. Individual stems 2(4) cm tall, 3(5) cm in diameter.

Radial Spines

11 to 14, fine, bristly, 1,5-2 (or more) mm long tight, pectinate, pointing diagonally and downward, that recurve and hug the tubercles so as not to be felt. Whitish, greyish, straw coloured, brown with darker base or almost black. Sometime interlaced.

Fruits

Dark brownish red approx 4-5 mm wide.

Areoles

3 mm long, narrow with short white felt.