Back أقصليس درني Arabic اقصليس درنى ARZ Apilla Aymara Oca (planta) Catalan Oxalis tuberosa CEB Oka (plodina) Czech Surkløverknold Danish Knolliger Sauerklee German Tubera oksalido Esperanto Oxalis tuberosa Spanish
| Oxalis tuberosa | |
|---|---|
| |
| Yellow and purple O. tuberosa tubers | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Oxalidales |
| Family: | Oxalidaceae |
| Genus: | Oxalis |
| Species: | O. tuberosa
|
| Binomial name | |
| Oxalis tuberosa | |
Oxalis tuberosa is a perennial herbaceous plant that overwinters as underground stem tubers. These tubers are known as uqa in Quechua,[1] oca in Spanish, yams in New Zealand and a number of other alternative names. The plant was brought into cultivation in the central and southern Andes for its tubers, which are used as a root vegetable. The plant is not known in the wild, but populations of wild Oxalis species that bear smaller tubers are known from four areas of the central Andean region.[2] Oca was introduced to Europe in 1830 as a competitor to the potato, and to New Zealand as early as 1860.
In New Zealand, oca has become a popular table vegetable and are simply called yams (although not a true yam). It is available in a range of colours, including yellow, orange, pink, apricot, and the traditional red.[3]
- ^ Teofilo Laime Ajacopa, Diccionario Bilingüe Iskay simipi yuyayk'ancha, La Paz, 2007 (Quechua-Spanish dictionary)
- ^ Bradbury, E.J.; Emshwiller, E. (2011). "The Role of Organic Acids in the Domestication of Oxalis tuberosa: A New Model for Studying Domestication Resulting in Opposing Crop Phenotypes". Econ Bot. 65 (1): 76–84. doi:10.1007/s12231-010-9141-0. S2CID 40168603.
- ^ National Research Council (U.S.). Advisory Committee on Technology Innovation (1989). Lost Crops of the Incas: Little-known Plants of the Andes with Promise for Worldwide Cultivation. National Academies. pp. 83–92. ISBN 0-309-04264-X. NAP:14292.
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