Calyptocarpus is a genus of flowering plants in the sunflower family, Asteraceae. This genus has only one species, Calyptocarpus vialis, commonly known as straggler daisy or horseherb. This plant is native to the southern United States, Mexico, and Central America. It is a low-growing perennial plant that spreads by runners and forms a dense mat of foliage. Calyptocarpus is a good groundcover plant for shaded areas and requires minimal care.
Contents
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Calyptocarpus |
Appearance
Calyptocarpus has small, bright green leaves that are round to heart-shaped and grow up to 1 inch in length. The leaves are arranged alternately on the stem and have a slightly toothed margin. The plant produces tiny yellow flowers that bloom from spring to fall. The flowers are about 1/4 inch in diameter and are arranged in clusters at the end of the stems. Calyptocarpus can grow up to 6 inches tall and spreads by runners that root at the nodes.
Care Guide
Calyptocarpus is an easy-to-grow plant that requires minimal care. Here are some care tips:
- Water: Calyptocarpus prefers moist soil but can tolerate periods of drought once established.
- Fertilization: Calyptocarpus does not require fertilization but can benefit from a light application of balanced fertilizer in the spring.
- Soil: Calyptocarpus prefers well-draining soil that is rich in organic matter.
- Sunlight: Calyptocarpus prefers partial to full shade but can tolerate some sun exposure.
- Hardiness Zones: Calyptocarpus is hardy in USDA zones 8-11.
Common Pests & Diseases
Calyptocarpus is generally pest and disease-free. However, it can be affected by fungal diseases such as powdery mildew and rust. These can be treated with a fungicide. Calyptocarpus can also be affected by slugs and snails, which can be controlled by handpicking or with a slug bait.
Habitat
Calyptocarpus is native to the southern United States, Mexico, and Central America. It grows in shaded areas such as woodlands, meadows, and along streambanks. Calyptocarpus is a good groundcover plant for shaded areas and is often used in landscaping as a low-maintenance alternative to turfgrass.
Question and Answer
Q: Is Calyptocarpus vialis toxic to pets?
A: No, Calyptocarpus is not toxic to pets.
Q: How often should I water Calyptocarpus?
A: Calyptocarpus prefers moist soil but can tolerate periods of drought once established. Water the plant when the top inch of soil feels dry to the touch.
Q: Can Calyptocarpus grow in full sun?
A: Calyptocarpus prefers partial to full shade but can tolerate some sun exposure.
Q: How do I propagate Calyptocarpus?
A: Calyptocarpus can be propagated by division, by taking stem cuttings, or by sowing seeds.
Related Plants
- Coreopsis
- Echinacea
- Helianthus
- Rudbeckia
References
- Bonap.org: Calyptocarpus
- Missouri Botanical Garden: Calyptocarpus vialis
- Texas A&M AgriLife Extension: Horseherb
