Contents
Description
Micranthocereus is a genus of cacti that are native to South America. These plants are small and cylindrical with a diameter of up to 2 inches. They are usually solitary but can sometimes form clusters. The stem is green and covered with closely spaced areolas that bear spines. The flowers are often pink or white and bloom in the summer.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Caryophyllales |
| Family | Cactaceae |
| Genus | Micranthocereus |
Appearance
Micranthocereus cacti are small and cylindrical with a diameter of up to 2 inches. They are usually solitary but can sometimes form clusters. The stem is green and covered with closely spaced areolas that bear spines. The spines are usually white or brown and can be up to 1 inch long. The flowers are often pink or white and bloom in the summer. The fruit is small and red.
Care Guide
Micranthocereus cacti are easy to care for and are great for beginners. They require well-draining soil and should be watered sparingly, allowing the soil to dry out completely between waterings. They prefer bright, indirect sunlight and can tolerate a wide range of temperatures. They are hardy in USDA zones 9-11. Fertilize during the growing season with a cactus fertilizer.
Common Pests & Diseases
Micranthocereus cacti are susceptible to mealybugs, spider mites, and scale insects. These pests can be treated with insecticidal soap or neem oil. Root rot can occur if the soil is too wet, so it is important to allow the soil to dry out completely between waterings.
Habitat
Micranthocereus cacti are native to South America and can be found in Brazil, Argentina, and Paraguay. They grow in rocky areas and dry forests.
Question and Answer
Q: How often should I water my Micranthocereus cactus?
A: Water sparingly, allowing the soil to dry out completely between waterings.
Q: What is the best fertilizer for Micranthocereus cacti?
A: Use a cactus fertilizer during the growing season.
Q: What are the common pests and diseases that affect Micranthocereus cacti?
A: Mealybugs, spider mites, and scale insects can be a problem. Root rot can occur if the soil is too wet.
Q: Where are Micranthocereus cacti native?
A: They are native to South America, specifically Brazil, Argentina, and Paraguay.
Related Plants
Here are some related cactus genera:
- Astrophytum
- Epiphyllum
- Ferocactus
- Lophophora
- Mammillaria
References
- “Micranthocereus.” World of Succulents. Accessed September 10, 2021. https://worldofsucculents.com/micranthocereus/.
- “Micranthocereus.” CactiGuide.com. Accessed September 10, 2021. https://cactiguide.com/cactus/?genus=Micranthocereus.
