Page 46 - Practical handout Lev 1-Pharm D- 2024-2025-with spec

Pharm D Level 1 Medicinal plants (PG 101)

Anatomy of Monocot Stem
1) Epidermis :- as in dicot stem

2) Ground tissue:-
The vascular bundles are scattered
throughout the ground tissue,
so it is undifferentiated

into cortex and pith.
- Hypodermis:- consists of sclerenchyma for supporting

3) Vascular Bundles:-
-Type :-(closed collateral bundles).
-It may be surrounded by fiber,

known as (bundle sheath)

-Xylem: vessels are arranged in V or Y shape

with endarch arrangement,
Note: pith is undifferentiated

Young dicot stem and monocot stem

Items Young dicot stem monocot stem

Stomata Dicot stomata if present Monocot stomata if present

Hypodermal layer May be all of types of Mostly sclerenchyma
ground tissues

Cortex and pith Found Not found

V. B. Open or bicollateral Closed collateral

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