Bumps or Swelling on Vegetable Stems University of Maryland Extension Colocasia gigantea (Thai Giant) The mosaic plants are growing!, @martinsonsgardenworks , They can grow in a pond or aquarium as a floating plant and can also be planted in substrate like a water lily Did you know? When Coca Cola was created in 1886, each serving had around 9mg of cocaine, extracted from coca leaves. It was sold as a remedy for fatigue and headaches. The cocaine