Characteristics
A small spherical cactus. It is dark grey-green. It grows 6-10 cm wide. There are 16 or more ribs. They are divided into distinct triangle shaped lumps. The spine buds are below these and have 1-3 spines in the centre and about 10 spines around. They are curved. The flowers are white or pink. They are 18-20 mm long and across.
Life form |
perennial
|
Growth form |
-
|
Growth support |
free-standing
|
Foliage retention |
deciduous
|
Sexuality |
hermaphrodite
|
Pollination |
-
|
Spread |
-
|
Mature width (meter) |
-
|
Mature height (meter) |
-
|
Root system |
-
|
Rooting depth (meter) |
-
|
Root diameter (meter) |
-
|
Flower color |
-
|
Blooming months |
-
|
Fruit color |
-
|
Fruiting months |
-
|
Nitrogen fixer |
-
|
Photosynthetic pathway |
-
|
Environment
A tropical plant. It grows in Bolivia between 3,000-4,000 m altitude. In Argentina it grows between 3,500-4,000 m above sea level.
Light |
-
|
Soil humidity |
-
|
Soil texture |
-
|
Soil acidity |
-
|
Soil nutriment |
-
|
Hardiness (USDA) |
|
Usage
The root of the cactus is peeled, cooked and eaten like potatoes.
Cultivation
Mode |
-
|
Germination duration (days) |
-
|
Germination temperacture (C°) |
-
|
Germination luminosity |
-
|
Germination treatment |
-
|
Minimum temperature (C°) |
-
|
Optimum temperature (C°) |
-
|
Size |
-
|
Vigor |
-
|
Productivity |
-
|