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Description
Silphium Terebinthinaceum is a herbaceous perennial plant that belongs to the family Asteraceae. It is commonly known as Prairie Dock, and it is native to North America. The plant can grow up to 10 feet tall and 6 feet wide, with a deep taproot that can reach up to 10 feet deep. It blooms in late summer, producing bright yellow flowers on tall stems.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Silphium |
Appearance
The leaves of Silphium Terebinthinaceum are large, reaching up to 3 feet in length and 1 foot in width. They are deeply lobed and have a rough texture. The stems are stout and hairy, with a reddish-brown color. The flowers are bright yellow and can reach up to 3 inches in diameter. The plant produces a large taproot that can be up to 10 feet deep.
Care Guide
Silphium Terebinthinaceum is a low-maintenance plant that is easy to care for. It prefers full sun and well-drained soil. It is drought-tolerant, but it will grow better with regular watering. Fertilization is not necessary, but it can be beneficial for growth. The plant is hardy in USDA zones 4-9.
Common Pests & Diseases
Silphium Terebinthinaceum is not typically affected by pests or diseases. However, it can be susceptible to root rot if the soil is not well-drained. Deer and rabbits may also feed on the plant.
Habitat
Silphium Terebinthinaceum is native to the prairies and savannas of North America. It prefers well-drained soil and full sun. It can be found growing in meadows, open woodlands, and along roadsides.
Question and Answer
Q: Is Silphium Terebinthinaceum a good plant for landscaping?
A: Yes, Silphium Terebinthinaceum is a great choice for landscaping due to its large size and attractive yellow flowers.
Q: How often should I water Silphium Terebinthinaceum?
A: Silphium Terebinthinaceum is drought-tolerant, but it will grow better with regular watering. Water the plant deeply once a week during dry weather.
Q: Can Silphium Terebinthinaceum be propagated from cuttings?
A: No, Silphium Terebinthinaceum is typically propagated from seed.
Q: How long does it take for Silphium Terebinthinaceum to bloom?
A: Silphium Terebinthinaceum blooms in late summer, typically in August or September.
Related Plants
- Silphium integrifolium
- Silphium laciniatum
- Silphium perfoliatum
References
- Missouri Botanical Garden. (n.d.). Silphium terebinthinaceum. Retrieved from https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=279146&isprofile=0&
- USDA Plants Database. (n.d.). Silphium terebinthinaceum. Retrieved from https://plants.usda.gov/core/profile?symbol=SITE2
- Illinois Wildflowers. (n.d.). Silphium terebinthinaceum. Retrieved from https://www.illinoiswildflowers.info/prairie/plantx/pr_prairie_dockx.htm
