The main axis of a plant; leaf-bearing and flower- bearing as distinguished from the root-bearing axis.CH
Stem showing internode and nodes plus leaf petioles
Flax stem cross-section, showing locations of underlying tissues. Ep = epidermis; C = cortex; BF = bast fibres; P = phloem; X = xylem; Pi = pith
Tasmanian tree fern
White and green asparagus - crispy stems are edible parts of this vegetable