Collectors Cacti: Borzicactus
Named in honour of Professor Antonio Borzi, an Italian botanist (Cactaceae). Cacti with stems often erect, but a few spreading, many ribs which are closely covered with areoles and spines,round and small.
B. faustianus, pale green stem about 2 inches thick, many long spines, some yellow, flowers red, Andes of Peru. B. ficldianus, stems long, erect or semi-prostrate, many whitish spines, flowers red, Peru. B. morley-anus, long stems branching from base, slender, brownish spines, flowers carmine-violet, Ecuador.
A compost with few additions is suitable, with added coarse matter to increase porosity; a sixth part will do. Repot in March, not more often than every two years. Water when thedries out in summer, but give none at all in winter. Temperature, 65-75°F (18-24°C) in summer, 40°F (4°C) in winter, when plants must be kept dry. These cacti like plenty of sun in the growing period.
Propagation is by seed sown in a good seed compost in a temperature of 70°F (21°C). Shade the seedlings for the first year. Some species may be increased by cuttings. These should be dried and placed on sharp sand to root.