|Acanthocalycium glaucum is native to the Argentine provinces of Catamarca and La Rioja, where it grows spontaneously at altitudes of 2000-3600 meters.|
An example of Acanthocalycium glaucum orange flower.
ACANTHOCALYCIUM GLAUCUM (FRIEDRICH RITTER 1964): HIGHLIGHTS.
Synonyms: Acanthocalycium thionanthum var. Glaucum – Lobivia thionantha var. Glauca – Echinopsis thionantha subsp. glauca – Echinopsis auranthiaca – Lobivia thionantha var. aurantiaca
The Acanthocalycium Glaucum grows individually with a slightly elongated spherical shape, with a blue-green colour and can reach a diameter of 3-7 cm and a height of 6-15 cm.
It can have from 8 to 14 ribs; from the areola they develop from 5 to 10 straight radial spines, the central spines are generally absent, but sometimes there can be one or two. The thorns are dark in colour.
The flowers are funnel-shaped and yellow in color.
The fruits are dark green.