Large Yellow Wood-sorrel Oxalis grandis
Other Common Name(s):
- Phonetic Spelling
- oks-AL-iss GRAN-dees
- This plant has low severity poison characteristics.
- See below
- Description
-
Annual or perennial herbs; leaves long-stalked with 3 leaflets; flowers 5-parted, white, yellow, lavender, or rose; fruit a capsule.
Site: Woods
Poison Part: All parts.
Poison Delivery Mode: Ingestion, but no documented cases in humans.
Severity: CAUSES ONLY LOW TOXICITY IF EATEN.
Found in: Houseplant or interiorscape; weedy in disturbed areas, lawns; landscape in flower gardens as herbaceous perennial.
- See this plant in the following landscape:
- Cultivars / Varieties:
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- Tags:
- Cultivars / Varieties:
-
- Tags:
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Attributes:
- Genus:
- Oxalis
- Species:
- grandis
- Family:
- Oxalidaceae
- Life Cycle:
- Annual
- Perennial
- Country Or Region Of Origin:
- Eastern USA
- Edibility:
- EDIBLE PARTS: Small amounts of leaves, flowers, seeds, tubers/roots eaten raw are not dangerous.
- Dimensions:
- Height: 1 ft. 0 in. - 2 ft. 0 in.
- Width: 1 ft. 0 in. - 2 ft. 0 in.
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Whole Plant Traits:
- Plant Type:
- Annual
- Herbaceous Perennial
- Native Plant
- Poisonous
- Weed
- Wildflower
- Habit/Form:
- Erect
- Growth Rate:
- Rapid
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Cultural Conditions:
- Light:
- Full sun (6 or more hours of direct sunlight a day)
- Soil Texture:
- Clay
- High Organic Matter
- Loam (Silt)
- Sand
- Soil pH:
- Neutral (6.0-8.0)
- Soil Drainage:
- Good Drainage
- Occasionally Dry
- Available Space To Plant:
- 12 inches-3 feet
- NC Region:
- Mountains
- Piedmont
- USDA Plant Hardiness Zone:
- 5a, 5b, 6a, 6b, 7a, 7b
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Fruit:
- Fruit Color:
- Green
- Fruit Value To Gardener:
- Edible
- Fruit Type:
- Capsule
- Fruit Length:
- < 1 inch
- Fruit Width:
- < 1 inch
- Fruit Description:
- Capsules that burst open when ripe, flinging seeds. Unripe fruits have a tart flavor.
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Flowers:
- Flower Color:
- Gold/Yellow
- Red/Burgundy
- Flower Inflorescence:
- Cyme
- Umbel
- Flower Value To Gardener:
- Edible
- Flower Bloom Time:
- Summer
- Flower Shape:
- Funnel
- Saucer
- Tubular
- Flower Petals:
- 4-5 petals/rays
- Flower Size:
- < 1 inch
- Flower Description:
- Up to 1 in. yellow flowers; five sepals and petals. Each petal has a red mark at the base. Blooms May to June.
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Leaves:
- Leaf Color:
- Gold/Yellow
- Green
- Red/Burgundy
- Leaf Value To Gardener:
- Edible
- Leaf Type:
- Compound (Pinnately , Bipinnately, Palmately)
- Leaf Arrangement:
- Alternate
- Rosulate
- Leaf Shape:
- Obovate
- Leaf Margin:
- Entire
- Hairs Present:
- No
- Leaf Length:
- 1-3 inches
- Leaf Width:
- 1-3 inches
- Leaf Description:
- Compound leaf with three 1-2 in. leaflets edged with thin maroon line; inversely heart-shaped leaflets; long-stalked
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Stem:
- Stem Color:
- Green
- Stem Is Aromatic:
- No
- Stem Cross Section:
- Round
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Landscape:
- Landscape Location:
- Container
- Houseplants
- Naturalized Area
- Landscape Theme:
- Native Garden
- Problems:
- Poisonous to Humans
- Problem for Cats
- Problem for Dogs
- Problem for Horses
- Weedy
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Poisonous to Humans:
- Poison Severity:
- Low
- Poison Symptoms:
- All parts of the plant have toxic potential, although the possibility of serious effects is usually limited to ingestions of large quantities. Consuming Oxalis species can produce colic in horses, and kidney failure is possible if significant amounts are eaten. Caution: large quantities may cause trembling, cramps, and staggering as in grazing animals.
- Poison Toxic Principle:
- Soluble calcium oxylates
- Causes Contact Dermatitis:
- No
- Poison Part:
- Flowers
- Fruits
- Leaves
- Roots
- Sap/Juice
- Seeds
- Stems
