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Description
Macrozamia Pauli-Guilielmi, also known as Pauli-Guilielmi’s Cycad, is a species of cycad plant that belongs to the Zamiaceae family. This species is endemic to the Northern Territory of Australia, specifically in the region of East Arnhem Land. It is a slow-growing plant that can reach up to 1.5 meters in height and 3 meters in width.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Cycadophyta |
| Class | Cycadopsida |
| Order | Cycadales |
| Family | Zamiaceae |
| Genus | Macrozamia |
Appearance
Macrozamia Pauli-Guilielmi has a stout trunk that can grow up to 30 cm in diameter. Its leaves are pinnate and can grow up to 1.5 meters in length. The leaflets are dark green, glossy, and have a slightly curved shape. The male and female cones grow on separate plants, with the male cones being long and cylindrical while the female cones are shorter and more rounded. The plant produces red seeds that are about 2 cm in diameter.
Care Guide
To care for Macrozamia Pauli-Guilielmi, it is important to provide it with well-draining soil and avoid overwatering. It is recommended to water the plant once a week during the warmer months and once every two weeks during the colder months. Fertilize the plant once a year with a slow-release fertilizer. This species prefers partial shade to full sun and can tolerate temperatures as low as 20°F. It is hardy to USDA zones 9 to 11.
Common Pests & Diseases
Macrozamia Pauli-Guilielmi is susceptible to mealybugs, scale insects, and spider mites. To prevent infestations, it is important to keep the plant clean and well-maintained. These pests can be treated with an insecticide that is safe for cycad plants. The plant is also susceptible to a fungal disease called Cycad Blue Leaf Disease, which can cause leaf discoloration and death. This disease can be prevented by avoiding overwatering and keeping the plant in well-draining soil.
Habitat
Macrozamia Pauli-Guilielmi is native to the Northern Territory of Australia, specifically in the region of East Arnhem Land. It grows in sandy soils and rocky outcrops in open eucalyptus woodlands and savannahs.
Question and Answer
Q: How often should I water my Macrozamia Pauli-Guilielmi?
A: Water the plant once a week during the warmer months and once every two weeks during the colder months.
Q: What is the hardiness zone for Macrozamia Pauli-Guilielmi?
A: It is hardy to USDA zones 9 to 11.
Q: Does Macrozamia Pauli-Guilielmi produce flowers?
A: No, it produces cones instead of flowers.
Q: How tall can Macrozamia Pauli-Guilielmi grow?
A: It can reach up to 1.5 meters in height and 3 meters in width.
Related Plants
- Macrozamia communis
- Macrozamia macdonnellii
- Macrozamia moorei
- Macrozamia riedlei
References
- “Macrozamia Pauli-Guilielmi.” PlantNET. National Herbarium of New South Wales, n.d. Web. 20 Aug. 2021.
- “Macrozamia Pauli-Guilielmi.” Cycad Society of South Africa. Cycad Society of South Africa, n.d. Web. 20 Aug. 2021.
- “Macrozamia Pauli-Guilielmi.” PACSOA. Palm and Cycad Societies of Australia, n.d. Web. 20 Aug. 2021.
