sentences:  Pitchers produced on older plants are generally more elongated with a narrower basal portion.Terrestrial pitchers are quite small, typically reaching only 15 cm in height by 6.5 cm in width, although particularly globose traps may be 12 cm wide.A pair of wings (≤8 mm wide), with fringe elements up to 5 mm long, usually runs down the ventral surface of the pitcher cup, although the wings may occasionally be reduced to ribs.