Discocactus
| Discocactus | |
|---|---|
 |
|
| Discocactus bahiensis (lower left) | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Core eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Tribe: | Trichocereeae |
| Genus: |
Discocactus Pfeiff. |
| Species | |
|
Discocactus albispinus |
|
Discocactus albispinus
Discocactus bahiensis
Discocactus catingicola
Discocactus ferricola
Discocactus heptacanthus
Discocactus horstii
Discocactus placentiformis
Discocactus pseudoinsignis
Discocactus silicicola
Discocactus woutersianus
Discocactus zehntneri
etc.
Discocactus is a genus of tropical cacti. The name comes from the ancient Greek diskos (=disc) because of its shape. Discocactus plants are endemic to southern Brazil, eastern Bolivia, and northern Paraguay. These species are in the risk of extinction in the wild.
The plants have a slightly flattened spherical shape. The areoles bear sharp spines. At the apex of the adult plants, there is a wooly cephalium, white or shaded with yellow or grey. The white nocturnal flowers appear on the sides of the cephalium. The fruits are pink or red and contain black seeds.
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Wikipedia