Gymnocalycium spegazzinii is a species of Gymnocalycium from Argentina and Bolivia named after the botanist C. L. Spegazzini. Description Gymnocalycium spegazzinii grows individually with gray-green to brown, flattened, spherical shoots and reaches heights of 6 to 12 centimeters with diameters of 10 to 14 centimeters. The 10 to 15 (rarely up to 30) low, broad ribs are slightly notched between the areoles. There are up to 2 central spines, which may also be missing. The 3 to 7 stiff marginal thorns, first bent outwards and then inwards towards the shoot surface, are brown or light ocher and 2 to 5.5 centimeters long.
The funnel-shaped, white or light pink flowers have a slightly purple-pink throat. They reach a length of up to 7 centimeters and a diameter of 5 centimeters. The fruits are club-shaped to elongated.
Subspecies Accepted subspecies:
Image Scientific name DistributionGymnocalycium spegazzinii subsp. cardenasianum Bolivia Gymnocalycium spegazzinii subsp. spegazzinii Argentina Distribution Gymnocalycium spegazzinii is widespread in northern Argentina and Bolivia at altitudes of 1500 to 3000 meters. Taxonomy The first description was made in 1922 by Nathaniel Lord Britton and Joseph Nelson Rose. References
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