1. Edible Portion: Stalk, Leaves, Vegetable A lettuce plant with an edible stalk. It is an annual plant. It develops a stem 3-4 cm thick and 30 cm tall. The seed stalk is eatenlike celery or cooked. The leaves are curled. There are several cultivated varieties.
  2. 2008-07-20 Descriptions of several crops that are adapted to difficult situations.