Oxalis articulata – Pink Sorrel
- Feb 22
- 2 min read
Explore Oxalis articulata (Pink Sorrel) – its characteristics, habitat, cultivation, propagation, and functional uses and benefits.
Oxalis articulata | Botanical Characteristics
Common Names: Pink Sorrel, Pink Oxalis
Family: Oxalidaceae
Appearance: A low-growing, clump-forming perennial with trifoliate, clover-like green leaves and bright pink to rose-colored five-petaled flowers borne above the foliage on slender stems. Spreads by underground rhizomes.
Type: Perennial
Evergreen / Deciduous: Deciduous (may remain semi-evergreen in mild climates)
Layer: Groundcover layer
Root System: Shallow, rhizomatous root system
Height: 0.15–0.3 m
Width: 0.3–0.6 m (spreading)
Lifespan: Long-lived
Growth Rate: Moderate to fast
Fertility: Self-fertile
Flowers: Hermaphroditic
Pollinator: Bees and other small insects
Toxicity: Contains oxalic acid; mildly toxic if consumed in large quantities; may be harmful to pets or livestock in excess
Oxalis articulata | Habitat and Cultivation
Range
Native Range: South America (Brazil, Argentina, Uruguay)
Companionship: Suitable as a groundcover beneath shrubs and in mixed beds; may spread and compete with low-growing plants
Invasive Range: Naturalized in parts of Europe, North America, Australia, and New Zealand; considered invasive in some regions
USDA Hardiness Zone: 7–10
Minimum Chill Hours Required: None
Resistance/Tolerance
Poor Soil: Moderate tolerance
Drought: Low to moderate tolerance
Shade: Moderate tolerance
Flood: Low tolerance – prefers well-drained soil
Wind: Moderate tolerance
Maritime: Moderate tolerance
Air Pollution: Moderate tolerance
Fire: Low tolerance
Thriving Conditions
Sun Exposure: Full sun to partial shade
Soil Moisture: Moderate; prefers evenly moist, well-drained soils
Soil Type: Loam or sandy soils; adaptable if drainage is good
Soil pH: Slightly acidic to neutral
Propagation
Seeds: Yes; may self-seed
Cuttings: Not applicable
Oxalis articulata | Functional Uses and Benefits
Permalogica cannot take any responsibility for any adverse reactions or health effects from using plants. Always consult a professional before using plants for medicinal purposes.
Edible: Leaves and flowers edible in small quantities; sour flavor due to oxalic acid
Medicinal: Limited documented modern medicinal use
Cosmetics: No
Animal Feed: Not suitable in quantity due to oxalic acid
Fiber: No
Timber: No
Firewood: No
Wind Break: No
Fence: No
Cover Crop: No
Mulch: No
Nitrogen Fixer: No
Dynamic Accumulator: No confirmed data
Pollinator Attractor: Yes – attracts bees and small insects
Pest Repellent: No
Wildlife Supporter: Provides nectar for pollinators; limited structural habitat value
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