This old page has been moved! Click the link next on the right to enter the new Enciclopedia of Cacti. We hope you find this new site informative and useful. Description: Body upright, columnar-cylindrical, almost like a Cereus, forming a somewhat open clump. Stem: Up to 50 cm tall, cm in diameter, basally narrowed, grass-green to greys-green, crown blunt whit creamy-brown wool, which is in no way obscured by flowers Ribs: , very sharp, broad obtuse , separated by broad intervals, neither tubercled nor notched up to 1 cm tall, straight or running up in a screw-like spiral, with sharply indented furrows between.
Areoles: Rounded 0, cm in diameter, closely approaching each other or touching one another, young areoles with abundant grey or brownish wool, becoming ash-grey or black and bare in age. Spines: Dark-brown becoming chalky-white as they ages. Spines clusters very closely set. Radial spines: strong, straight, spreading out in a ray, 1 - 2 cm.
Flowers: 3 to 4 developing at a time, ,with characteristic Copiapoa flower-scent, sprouting out from the wool of the crown, yellow, scarcely standing out from the spines, when completely open only 2,5 to 3 cm in diameter, with lanceolate-spathulate perianth segments approx 15 mm long, 7 mm large, narrower below, rounded off above, pale yellow, the outermost reddish at the tips and expanded.
Floral tube funnel-form Nectar chamber mm. Filaments pale yellow, the lower ones 1. Fruits: Small, 1 up to 1. Dehising from a lid-like top cracking when ripe. Blooming season: Spring and summer Seeds: 1 mm long, 0,7 mm wide, 03 mm thick, black, somewhat shiny, with very small verrucae, hilum at the basal end inclined half ventral-wards, oval, white. Ritter comb. Area of distribution: only known from the Type Locality.
Field number FR Synonyms :. Cultivation: Needs full sun, otherwise the bodies tended to elongate in cultivation, but it should be protected from excessive heat and sun in summer.
