Oca
Herb latin name: Oca,Oca Extract
Latin name: Oxalis tuberosa
Synonyms: Oxalis crenataOxalis crenata
Family: Oxalidaceae (Wood Sorrel Family)
Habitat of the herb: the herb: Unknown in a truly wild situation, though plants have been found growing at heights up to 4000 metres in the Andes. Propagation oHabitat of the herb: the herb: Unknown in a truly wild situation, though plants have been found growing at heights up to 4000 metres in the Andes.
Propagation of Oca: Seed - best sown as soon as it is ripe in a cold frame. Prick out the seedlings into individual pots when they are large enough to handle and plant them out in late spring or early summer. Seed is not usually produced in Britain. Harvest the tubers in late autumn after the frosts have killed off top growth. Store in a cool dry frost free place and plant out in April. Basal cuttings in spring. Harvest the shoots with plenty of underground stem when they are about 8 - 10cm above the ground. Pot them up into individual pots and keep them in light shade in a cold frame or greenhouse until they are rooting well. Plant them out in the summer.
Cultivation of the herb: Unknown in a truly wild situation, though plants have been found growing at heights up to 4000 metres in the Andes.
Medicinal use of Oca: None known
Known hazards of Oxalis tuberosa: 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.
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