Rebutia canigueralii subs. rauschii

Family

Cactacaea

Native

Bolivia

Description

Sulcorebutia rauschii is a well known miniature clustering species, that readily forms clumps of many heads with characteristic short pectinate spines. The crested form is very rare and nice.

Stems are up to 5 cm in width. .The stem is covered by flat tubercles (5mm wide) which vary in colour between dark green and violet. Flowers are 20 - 50 mm long, 35 - 50 mm wide; floral tube funnel-shaped yellowish green with tan coloured scales, tepals deep magenta with a clearer throat.

Environment

Sulcorebutia  is a mountainous cactus with a thick taproots and is susceptible to overwatering, it grows rather slowly and need a very good drainage to avoid rotting. It requires also an appropriate air circulation and is sometime grafted to avoid root problems.It loves a very permeable, coarse mineral soil.  Water moderately in the growing season, keep dry during  the winter rest. Needs a full sun, or half shaded exposure (light shadow may be useful in the hottest summer days) 

Give an occasional high potassium liquid feed during the active growing period.

Landscape Uses

It is a fine plant for a rock garden or container, contrasts well with agaves, yuccas, and low-growing flowering Cactus.