We also noticed the same set of tiny nubs on the bottom that mysteriously appeared on the black version a few months ago.

ENGADGET

If the main root has "eyes, " the small round nubs from which a new stem emerges, make sure each baby you cut off has one of these.

WSJ: In the Garden, Divide and Multiply: Weekend Gardener

First, discard the outer leaves and trim off their nubs.

WSJ: Paul Kahan's Shaved Brussels Sprout Salad With Burrata | Slow Food Fast

Little nubs float just above the ground instead.

FORBES: 'Fire Emblem: Awakening' Review - Part One: Forward Into Battle! (3DS)