Aug 3, 2023 · In the case of monocot stems, the cortex region is only composed of the hypodermis. The hypodermis is 2-3 layers thick and is composed of sclerenchymatous cells.

Transverse section of corn stem (Zea mays). This is the organization you will see in stems of monocots: numerous vascular bundles distributed throughout a wide tissue that may be either parenchyma or …

Mar 30, 2026 · Unlike dicot stems, where the internal tissue is differentiated into the cortex, endodermis, pericycle, and pith, the monocot stem has an undifferentiated ground tissue.

Nov 6, 2025 · Monocot plant usually have one or two layers of sclerenchyma below the epidermis, instead of collenchyma tissue found in other groups of plants. The stem cortex and medullary region …

Oct 9, 2024 · Unlike dicots, monocot stems lack a cortex, which is attributed to the absence of extrastelar and interstelar regions. This means that the ground tissue in monocot stems is simplified, …

In monocots, vascular bundles are scattered throughout the stem instead of being oriented in a ring. Since there is no ring of vascular bundles, there is no “inside” pith and “outside” cortex.

Ground tissue fills much of the stem, forming the cortex directly within the epidermis and the pith (if present) in the center. The outermost portion of the cortex is usually a few layers of collenchyma …

Peripheral to the endodermis is the cortex, and peripheral to that is the epidermis. The pith is indicated by the thin arrow, and the vascular bundles lie between the endodermis and the pith.

Its primary functions are to enhance the structural integrity of the stem and provide support. The interior of the stem is occupied by a parenchymatous ground tissue, which lacks differentiation into cortex, …

In both monocots and dicots, the stem is mostly composed of ground tissue, which contains loosely arranged cells with space between them. This allows for gas exchange between the stem and the air.