Someone gave me a plant like that, once, to grow in water.
I put it into a big glass peanut butter jar and gave it a big drink, but then like Woofie's plant, "out of sight, out of mind"
The next time I looked, it had lots of roots, but it had drunk all the water! I was sure it was dead and just LOOKED well-preserved, but I gave it more water anyway.
Back from the dead. Lazarus plant.