The tuberous roots of this variety have a dark purple skin and a white flesh that is slightly pinkish just under the skin. This plant is much cultivated in South America for its tuberous, edible, sweet roots usually eaten like fruits. It can grow up to 2 m high. Leaves spatulate-deltoid, pubescent,...

This species forms clumpings that are up to 20 cm in diameter. Leaves distichous up to 30 cm long, rough, glaucous green. Flowers pink-reddish. Cape Province. Very easy. Bare root  10 cm pot 

This species is up to 40-80 cm high. Leaves lanceolate, up to 40 cm long, glaucous-green in colour. Flowers 2.5-3 cm in diameter, light yellow in colour, in long dense spikes. Origin: Argentina and Chile. Easy and perfectly hardy. 14 cm pot  

Native species of Zimbabwe where it grows on granite rock outcrops. Angular stems of green-purplish color with well evident tubercles. Five-lobed, cream-white flowers strongly mottled with red, with a diameter of about 4 cm. Lobes slightly revolute. Easy to grow, it needs a well-drained soil,...

Clumping succulent with stems being toothed and about 2 cm in diameter. Flowers star-shaped, 6-7 cm in diameter, with bell-shaped centre, white striped with red. Half shade in Summer. Cutting Rooted cutting 

Stems erect, strong and clumping, square or pentagonal in section, strongly tubercled. Flowers 2-2.5 cm in diameter, bell-shaped, dark red in color, finely papillose. Single or slightly branched cutting  Single or slightly branched rooted cutting