Gymnocalycium oenanthemum
From Wikipedia, the free encyclopedia
| Gymnocalycium oenanthemum | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Genus: | Gymnocalycium |
| Species: | G. oenanthemum |
| Binomial name | |
| Gymnocalycium oenanthemum | |
Gymnocalycium oenanthemum is a species of flowering plant in the family Cactaceae, endemic to Argentina. A slightly flattened sphere growing to 12 cm (4.7 in), it has 10–13 ribs, each containing a row of tubercles with radial spines. In summer it bears a wine-red or pink daisy-like flower.
Gymnocalycium oenanthemum grows individually with cloudy gray-green to blue-green, flattened, spherical shoots and reaches heights of up to 8 centimeters with diameters of 12 centimeters. The 11 to 13 ribs are sharp-edged. There is a central spine, which is often missing. The usually 5 straight to slightly curved, reddish-gray marginal spines have a darker tip and are up to 1.5 centimeters long.
The short, funnel-shaped, wine-red to slightly pink, shiny flowers reach a length of up to 5 centimeters and a diameter of 4 centimeters. The fruits are green.[2]
In cultivation in the UK and other temperate regions it cannot survive freezing, so at least in the winter months it must be kept indoors in a bright, cool environment with minimal watering. It has gained the Royal Horticultural Society's Award of Garden Merit.[3][4]
Distribution
Gymnocalycium oenanthemum is widespread in the Argentine provinces of Catamarca and La Rioja at altitudes of 800 to 1300 meters.[citation needed]
