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Oxalis exilis - Cunn.
                 
Common Name Least Yellow Sorrel, Shady woodsorrel
Family Oxalidaceae
USDA hardiness 4-8
Known Hazards The leaves contain oxalic acid, which gives them their sharp flavour. Perfectly all right in small quantities, the leaves should not be eaten in large amounts since oxalic acid can bind up the body's supply of calcium leading to nutritional deficiency. The quantity of oxalic acid will be reduced if the leaves are cooked. People with a tendency to rheumatism, arthritis, gout, kidney stones or hyperacidity should take especial caution if including this plant in their diet since it can aggravate their condition[238].
Habitats Arable land and waste places, it is a common garden weed[9, 17] where it tends to become especially troublesome in pots of plants growing in greenhouses etc[200].
Range New Zealand and Tasmania.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Fully Hardy Well drained soil Moist Soil Full sun

Summary

Oxalis exilis Least Yellow Sorrel, Shady woodsorrel


Oxalis exilis Least Yellow Sorrel, Shady woodsorrel
   
Physical Characteristics
 icon of manicon of flower
Oxalis exilis is a ANNUAL/PERENNIAL growing to 0.1 m (0ft 4in) by 0.3 m (1ft).
It is hardy to zone (UK) 5 and is not frost tender. It is in flower from Jun to September. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects, self.The plant is self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil.

Synonyms

Habitats
 Cultivated Beds;
Edible Uses
Edible Parts: Flowers;  Leaves.
Edible Uses:

Leaves - raw or cooked[2, 46, 61, 105]. Added to salads, cooked as a potherb with other milder flavoured greens or used to give a sour flavour to other foods[183]. The leaves are available all year round unless the winter is very cold, they have a pleasantly sour taste[114], but are very small and fiddly to harvest[K]. The leaves contain about 86% water, 2.3% protein, 0.8% fat, 8.2% carbohydrate, 150mg calcium, 78mg phosphorus, 8mg iron, 0.6mg niacin, 78mg vitamin C, 6050µg beta carotene[173]. The leaves contain between 7 - 12% oxalate[218]. Use in moderation, see notes at top of sheet, Flowers - raw. A nice acid flavour and a pleasant addition to the salad bowl[K].
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.



The whole plant is anthelmintic, antiphlogistic, astringent, depurative, diuretic, emmenagogue, febrifuge, lithontripic, stomachic and styptic[147, 178, 218, 240]. It is used in the treatment of influenza, fever, urinary tract infections, enteritis, diarrhoea, traumatic injuries, sprains and poisonous snake bites[147]. An infusion can be used as a wash to rid children of hookworms[257]. The plant is a good source of vitamin C and is used as an antiscorbutic in the treatment of scurvy[240]. The leaves are used as an antidote to poisoning by the seeds of Datura spp, arsenic and mercury[218]. The leaf juice is applied to insect bites, burns and skin eruptions[218]. It has an antibacterial activity[218].
Other Uses
None known
Cultivation details
A very easily grown plant, succeeding in a sandy soil in a warm dry position[1]. It prefers dry open habitats[50]. Spreading rapidly by seed and underground bulbils, this species can quickly become a nuisance, it is a common weed of pot plants in nurseries[200].
Propagation
Seed - best sown as soon as ripe in a cold frame. This plant does not need any encouragement.
Other Names
Found In
Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status
IUCN Red List of Threatened Plants Status :
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Oxalis acetosellaWood Sorrel32
Oxalis adenophyllaSauer Klee00
Oxalis articulataPink Sorrel30
Oxalis barrelieriBarrelier's woodsorrel20
Oxalis bifida 20
Oxalis corniculataYellow Sorrel, Creeping woodsorrel22
Oxalis corymbosaLilac Oxalis, Pink woodsorrel20
Oxalis deppeiIron Cross Plant40
Oxalis enneaphyllaScurvy Grass20
Oxalis europaea 20
Oxalis frutescensShrubby woodsorrel20
Oxalis lasiandra 00
Oxalis magellanica 20
Oxalis montanaMountain Wood Sorrel20
Oxalis oreganaRedwood Sorrel31
Oxalis pes-capraeBermuda Buttercup20
Oxalis strictaYellow Wood Sorrel, Common yellow oxalis, Common Yellow Wood Sorrel, Oxalis21
Oxalis tetraphylla 30
Oxalis triangularisOxalis30
Oxalis tuberosaOca50
Oxalis violaceaViolet Wood Sorrel31
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Expert comment
 
Author
Cunn.
Botanical References
Links / References
For a list of references used on this page please go here
Readers comment
 
Elizabeth H.
Yeesun Goh Sun Jun 1 14:28:45 2003
I saw in a few websites that Oxalis exilis had been renamed Oxalis perennans. Not quite sure, but you can check it out.

Link: Flora database of Australia

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Subject : Oxalis exilis  

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