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Description
Tetradymia axillaris, commonly known as Mojave rabbitbrush, is a perennial shrub native to the American Southwest. It belongs to the Asteraceae family and can grow up to 5 feet tall and wide. This plant is known for its showy yellow flowers that bloom in late summer and fall. The leaves are small and gray-green, and the stems are woody and covered in fine hairs.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Anthophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Tetradymia |
| Species | Tetradymia axillaris |
Appearance
Mojave rabbitbrush has a unique and beautiful appearance. Its yellow flowers resemble small sunflowers and bloom in clusters at the top of the stems. The leaves are small and gray-green, and the stems are woody and covered in fine hairs. This plant can grow up to 5 feet tall and wide, making it a great choice for adding height and texture to a garden. It is also drought-tolerant and can survive in harsh desert conditions.
Care Guide
Tetradymia axillaris is a relatively low-maintenance plant, making it a great choice for both novice and experienced gardeners. Here are some tips for caring for this beautiful plant:
- Water: Mojave rabbitbrush is drought-tolerant and can survive on very little water. However, it will benefit from occasional deep watering during periods of extreme drought.
- Fertilization: This plant does not require regular fertilization, but you can give it a boost in the spring with a slow-release fertilizer.
- Soil: Tetradymia axillaris prefers well-draining soil and can tolerate a wide range of soil types, including sandy and rocky soils.
- Sunlight: This plant thrives in full sun and can tolerate partial shade.
- Hardiness Zones: Tetradymia axillaris is hardy in USDA zones 8-10.
Common Pests & Diseases
Mojave rabbitbrush is relatively pest and disease-free, but it may be susceptible to spider mites and aphids. These pests can be controlled with insecticidal soap or neem oil. In addition, this plant may be prone to root rot if planted in poorly-draining soil. To prevent root rot, make sure the soil is well-draining and avoid overwatering.
Habitat
Tetradymia axillaris is native to the American Southwest, where it can be found in desert scrub and rocky slopes. This plant is well-suited to hot and dry conditions and is often used in xeriscaping. It is also an important food source for wildlife, including rabbits and birds.
Question and Answer
- Q: Can Tetradymia axillaris be grown in containers?
- A: Yes, this plant can be grown in containers as long as the container is large enough to accommodate its size and the soil is well-draining.
- Q: How often should Tetradymia axillaris be pruned?
- A: This plant does not require regular pruning, but you can prune it back in the spring to promote bushier growth and more flowers.
- Q: Is Tetradymia axillaris toxic to pets?
- A: There is no evidence that this plant is toxic to pets, but it is always a good idea to keep pets away from plants that are not typically consumed.
- Q: Can Tetradymia axillaris be propagated from cuttings?
- A: Yes, this plant can be propagated from cuttings taken in the spring or summer. Make sure the cuttings are taken from healthy, disease-free plants and planted in well-draining soil.
Related Plants
- Tetradymia canescens (Spineless Horsebrush)
- Tetradymia glabrata (Desert Horsebrush)
- Tetradymia stenolepis (Narrowleaf Horsebrush)
- Tetradymia spinosa (Gray Horsebrush)
References
- “Tetradymia axillaris.” Lady Bird Johnson Wildflower Center.
- “Tetradymia axillaris.” Arizona State University.
- “Mojave rabbitbrush (Tetradymia axillaris).” Las Pilitas Nursery.
