[Copied from this post -
http://tomatoville.com/showthread.php?t=33584], which was about documenting growth in bins this year.
Papa Chonca Harvest - note the numerous stems on top. This potato has very densely rooting stolons and constantly sends up new shoots, both upwards and away from the original tuber when planted in the ground.
Top Layer with board removed
Front Unburied
Exposed tubers growing on stolons
Entire Front with boards removed
Unburied Tuber hanging
Dense roots/stolons
Halfway done digging
Harvested potatoes from the ground (left) vs bin (right)
Weights 4lb 15.5 oz (left) vs 2lb 15.4 oz (right)