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Description
Oxalis Bifida, commonly known as the iron cross oxalis, is a herbaceous perennial plant that belongs to the Oxalidaceae family. It is native to South Africa and grows up to 6 inches tall and 12 inches wide. Its leaves are trifoliate, with each leaflet being heart-shaped and about 1 inch long. The flowers have four petals that form a cross shape, with the color ranging from pink to white. The plant blooms from spring to fall and produces small, round seed pods.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Oxalidales |
| Family | Oxalidaceae |
| Genus | Oxalis |
Appearance
The iron cross oxalis has a unique appearance that sets it apart from other plants. Its leaves are green and purple, with a distinct pattern that resembles an iron cross. The plant produces delicate pink or white flowers that bloom above the foliage. The flowers close at night and reopen in the morning. The plant has a compact growth habit and is suitable for container gardening or as a ground cover in rock gardens or borders.
Care Guide
The iron cross oxalis is a low-maintenance plant that is easy to care for. Here are some tips:
- Water: The plant prefers moist soil but can tolerate some drought. Water when the top inch of soil is dry.
- Fertilization: The plant does not require frequent fertilization. Apply a balanced fertilizer once a month during the growing season.
- Soil: The plant prefers well-draining soil that is rich in organic matter. It can tolerate a range of soil pH levels.
- Sunlight: The plant prefers partial shade but can tolerate full sun in cooler climates.
- Hardiness Zones: The plant is hardy in USDA zones 8 to 11.
Common Pests & Diseases
The iron cross oxalis is relatively pest and disease-free. However, it can be susceptible to root rot if the soil is too wet. Aphids and spider mites may also infest the plant if conditions are favorable. Use an insecticidal soap or neem oil spray to control pests.
Habitat
The iron cross oxalis is native to South Africa and grows in a variety of habitats, including grasslands, savannas, and forests. It prefers well-draining soil and can tolerate partial shade.
Question and Answer
Q: Is the iron cross oxalis toxic to pets?
A: Yes, the plant is toxic to cats and dogs. Keep it out of reach or consider growing it in a pet-free area.
Q: How often should I water my iron cross oxalis?
A: Water the plant when the top inch of soil is dry. Avoid overwatering, as the plant is susceptible to root rot.
Q: Can I grow iron cross oxalis indoors?
A: Yes, the plant can be grown indoors in a bright, indirect light location. Keep the soil moist but not waterlogged.
Q: How do I propagate iron cross oxalis?
A: The plant can be propagated by division in the spring or fall. Carefully separate the rhizomes and replant in fresh soil.
Related Plants
- Oxalis tetraphylla
- Oxalis triangularis
- Oxalis deppei
- Oxalis regnellii
References
- “Oxalis Bifida.” Missouri Botanical Garden. Accessed 4 July 2021. <https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=d360>
- “Oxalis Bifida.” PlantZAfrica.com. Accessed 4 July 2021. <http://pza.sanbi.org/oxalis-bifida>
- “Oxalis Bifida.” Gardening Know How. Accessed 4 July 2021. <https://www.gardeningknowhow.com/ornamental/bulbs/oxalis/iron-cross-oxalis-care.htm>
