New Zealand yam vs yam

New Zealand yam

• The oca, Oxalis tuberosa, a root vegetable introduced from South America. 

yam

• A oca; a tuber from the species Oxalis tuberosa. 

• An orange-brown colour, like the flesh of the yam. 

• A potato. 

• home 

• The edible, starchy, tuberous root of that plant, a tropical staple food. 

• Any climbing vine of the genus Dioscorea in the Eastern and Western hemispheres, usually cultivated. 

• A sweet potato; a tuber from the species Ipomoea batatas. 

• Taro. 

• To eat.