Oca

Oca Overview

Oxalis tuberosa is a perennial species in the wood sorrel family, Oxalidaceae. It is deciduous and thus goes dormant in the winter, with the foliage dying back underground and regrowing in the spring. Commonly known by the names Oca, New Zealand Yam and Cubio, aongst others. It forms colourful, edible underground tubers. It grows best in partial shade and moist, well-draining soil. The leaves of this plant are very distinctive, they are palmately divided into 3 leaflets which are triangular in shape and coloured green. Flowers are yellow in colour and starry in appearance, they appear from summer-autumn.