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General: Short cylindrical, freely clustering, spines numerous and like bristles. Flowers white, nocturnal, long and scented. Long flowering season, even if not so many flowers per year. Many local forms of the same species (P akersii, P familiaris)
Growing: Full sun, water weekly in summer, 5-10 C in winter. Easy from seed. Make nice clusters in age.
Habitat: Peru
Copyright Mats Winberg