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Description
Hymenoxys Richardsonii, also known as Richardson’s rubberweed, is a herbaceous perennial plant that belongs to the Asteraceae family. This plant is native to the western United States, particularly in the states of Colorado, New Mexico, and Utah. It can grow up to 1 to 2 feet tall and 1 to 2 feet wide. Hymenoxys Richardsonii produces yellow daisy-like flowers with dark centers that bloom from late spring to early fall. The plant has a woody base and its stems are covered in small hairs.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Hymenoxys |
| Species | Richardsonii |
Appearance
The leaves of Hymenoxys Richardsonii are narrow and elongated, with a length of 1 to 2 inches and a width of 0.1 to 0.2 inches. The leaves are hairy and have a grayish-green color. The flowers of Hymenoxys Richardsonii are yellow and have a diameter of 1 to 2 inches. The center of the flower is dark brown or black, and it has a cone-shaped receptacle. The petals of the flower are thin and elongated, with a length of 0.5 to 1 inch. The plant has a woody base and its stems are covered in small hairs.
Care Guide
Hymenoxys Richardsonii is a low-maintenance plant that is easy to care for. It prefers well-drained soil with a pH level of 6.0 to 7.0. The plant needs to be watered regularly, particularly during hot and dry weather. Fertilize the plant once a month during the growing season with a balanced fertilizer. Hymenoxys Richardsonii can tolerate full sun to partial shade, but it prefers full sun. The plant is hardy in USDA zones 5 to 9.
Common Pests & Diseases
Hymenoxys Richardsonii is generally resistant to pests and diseases. However, it can be susceptible to aphids, spider mites, and powdery mildew. To prevent these pests and diseases, ensure that the plant is not overcrowded, and avoid overwatering. If the plant is infested, use insecticidal soap or neem oil to control the pests. For powdery mildew, remove the affected leaves and treat the plant with a fungicide.
Habitat
Hymenoxys Richardsonii is native to the western United States, particularly in the states of Colorado, New Mexico, and Utah. It grows in dry and rocky areas, such as foothills, canyons, and mesas. The plant can also be found in grasslands and meadows.
Question and Answer
Q: Is Hymenoxys Richardsonii a drought-tolerant plant?
A: Yes, Hymenoxys Richardsonii can tolerate drought and does not require frequent watering.
Q: How often should I fertilize Hymenoxys Richardsonii?
A: Fertilize the plant once a month during the growing season with a balanced fertilizer.
Q: Can Hymenoxys Richardsonii be grown in containers?
A: Yes, Hymenoxys Richardsonii can be grown in containers as long as the container has good drainage.
Q: How do I propagate Hymenoxys Richardsonii?
A: Hymenoxys Richardsonii can be propagated through seeds or cuttings. Take stem cuttings in the spring or fall, and plant them in well-draining soil.
Related Plants
- Hymenoxys Acaulis
- Hymenoxys Argentea
- Hymenoxys Coronopifolia
- Hymenoxys Hoopesii
References
- “Hymenoxys Richardsonii.” Lady Bird Johnson Wildflower Center. https://www.wildflower.org/plants/result.php?id_plant=HYRI
- “Hymenoxys Richardsonii.” Utah State University Extension. https://extension.usu.edu/rangeplants/forbsherbaceous/hymenoxys-richardsonii
- “Hymenoxys Richardsonii.” Missouri Botanical Garden. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=275001
