They are prominently narrow and ridged on the upper surface. Lower surfaces are smooth, glossy, and hairless. Leaf margins are slightly rough to the touch. The collar , a narrow band of meristematic tissue at the junction of the blade and the stem, accounts for increasing blade length. Once the blade has achieved its maximum length, cells in the collar cease dividing.
Auricles are small, soft, and claw-like.
How it grows Ryegrasses have higher shoot apices then some grasses implying a susceptibility to close defoliation, winter damage, and drought, which is highlighted in its characteristics. Pasture uses Because of its high quality, perennial forage-type ryegrass is used primarily for lactating dairy cows on pasture. However, it is suitable for all classes of livestock, especially those with high nutrient requirements such as young, growing animals. Furthermore, perennial ryegrass is commonly sown in British agriculture. Perennial ryegrass may contain feeding stimulates that could be extracted and transferred to hay.