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Description
Camissoniopsis Robusta, commonly known as the Robust Sun Cup, is a flowering plant from the Onagraceae family. It is native to California and can be found in areas with dry grasslands, chaparral, and coastal sage scrub. This plant has bright yellow flowers with a central disk and is a hardy perennial. The Robust Sun Cup can grow up to 1.5 feet tall, has a slender stem, and can spread up to 2 feet wide.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Angiospermae |
| Order | Myrtales |
| Family | Onagraceae |
| Genus | Camissoniopsis |
Appearance
The Robust Sun Cup has a slender stem that can grow up to 1.5 feet tall. Its leaves are lance-shaped and grow alternately on the stem. The plant’s bright yellow flowers have a central disk and are about 1 inch in diameter. The flowers bloom from April to July and can last up to two weeks. The Robust Sun Cup has a deep taproot and can spread up to 2 feet wide.
Care Guide
To care for the Robust Sun Cup, it is important to provide it with well-draining soil and full sunlight. This plant can tolerate a wide range of soil types, but it prefers dry and rocky soil. Water the plant deeply once a week during the growing season and reduce watering during the dormant season. Fertilize the Robust Sun Cup once a year with a balanced fertilizer.This plant is hardy in USDA hardiness zones 7 through 10. It can tolerate temperatures as low as 10 degrees Fahrenheit. In areas with colder temperatures, the Robust Sun Cup can be grown as an annual.
Common Pests & Diseases
The Robust Sun Cup is generally pest and disease-free. However, it can be susceptible to root rot if overwatered. To prevent root rot, make sure the soil is well-drained and avoid overwatering the plant.
Habitat
The Robust Sun Cup is native to California and can be found in areas with dry grasslands, chaparral, and coastal sage scrub. It can also be found in disturbed areas such as roadsides and fields.
Question and Answer
Q: Can the Robust Sun Cup be grown in containers?
A: Yes, the Robust Sun Cup can be grown in containers as long as the container has good drainage and the plant is provided with full sunlight.
Q: How often should I fertilize the Robust Sun Cup?
A: Fertilize the Robust Sun Cup once a year with a balanced fertilizer.
Q: What is the bloom time for the Robust Sun Cup?
A: The Robust Sun Cup blooms from April to July and can last up to two weeks.
Q: Is the Robust Sun Cup a perennial or an annual plant?
A: The Robust Sun Cup is a hardy perennial plant.
Related Plants
Here are some related plants to the Robust Sun Cup:
- Camissoniopsis bistorta
- Camissoniopsis cheiranthifolia
- Camissoniopsis ignota
- Camissoniopsis intermedia
References
- “Camissoniopsis Robusta.” Calflora, www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=1390.
- “Camissoniopsis Robusta.” Las Pilitas Nursery, www.laspilitas.com/nature-of-california/plants/camissoniopsis-robusta.
- “Camissoniopsis Robusta (Robust Sun Cup).” Gardenia, www.gardenia.net/plant/camissoniopsis-robusta-robust-sun-cup.
