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{{SPlantbox
{{SPlantbox
|genus=Oxalis
|familia=Oxalidaceae
|genus=Oxalis
|species=tetraphylla
|species=tetraphylla
|common_name=Four-leaved Pink-sorrel
|habit=herbaceous
|lifespan=perennial
|features=flowers, foliage
|Temp Metric=°F
|Temp Metric=°F
|jumpin=If this plant info box on watering; zones; height; etc. is mostly empty you can click on the edit tab and fill in the blanks!
|jumpin=If this plant info box on watering; zones; height; etc. is mostly empty you can click on the edit tab and fill in the blanks!
|image=Upload.png
|image=2007-07-01Oxalis tetraphylla01.jpg
|image_width=240
|image_width=240
}}
}}
'''Oxalis tetraphylla''' (often still traded under its [[Synonym (taxonomy)|syn.]] '''''O. deppei''''') is a [[bulb]]ous plant from Mexico. A common name is '''"[[Iron Cross]]"''', after a famous [[cultivar]]; it is also known as '''"[[lucky clover]]"''', and in a wild or [[feral]] state as '''Four-leaf [[Sorrel]]''' or, least ambiguously, '''Four-leaved [[Pink-sorrel]]'''.
It has leaves divided into four and has been called '''"lucky leaf"''' and even '''"four-leaf clover"''', but it is not a true [[clover]]. Related to the [[Common Wood-sorrel]] (''O. acetosella''), it is commonly used as an [[ornamental plant]]. It is also edible, the flowers and leaves having a sharp [[lemon]] flavor. However, since the [[oxalic acid]] in the plant can interfere with the absorption of certain nutrients in the body, especially [[calcium]], too much can be harmful.
If planted in early spring it will grow and flower throughout spring and summer. Some bulbs can survive a cold winter but in areas with frost they should be kept in a cool dry place over winter and replanted in the spring. The bulbs will multiply by autumn.
{{Inc|
{{Inc|
Oxalis tetraphylla, Cav. (lonoxalis tetraphylla, Rose). Lfts. mostly 4, 1 in. long, inversely deltoid, retuse, each crossed by a purple band: fls. rather few in simple umbels, lilac or rosy. Mex. Cav. Icon. 237. G.M. 39, p. 403 (as O. Deppei). L.B.C. 8: 790.
Oxalis tetraphylla, Cav. (lonoxalis tetraphylla, Rose). Lfts. mostly 4, 1 in. long, inversely deltoid, retuse, each crossed by a purple band: fls. rather few in simple umbels, lilac or rosy. Mex.
}}
}}
<gallery perrow=5>
<gallery perrow=5>
Image:Upload.png| photo 1
Image:Gluecksklee.jpg|Oxalis tetraphylla leaf
File:2007-07-01Oxalis tetraphylla04.jpg
File:Oxalis tetraphylla - Zwiebelballen.jpg
File:2007-07-01Oxalis tetraphylla02.jpg
File:Oxalis tetraphylla 1.jpg
</gallery>
</gallery>
