Dr. Babasaheb Ambedkar Marathwada university, Aurangabad, maharashtra, syllabus of B. Sc. Botany First year (Semester-I, paper-II

1. MORPHOLOGY OF
ANGIOSPERMS-3
LEAF
Dr. A.S. Naik
Head, Dept. of Botany
S.B.E.S. College of Science.

2. Parts of a Typical Leaf

4. LEAF BASES

5. LEAF SHAPES

6. LEAF SHAPES

7. LEAF APICES

8. LEAF MARGINS

9. LEAF SURFACES
Glabrous: Without hairs of any kind.
Glaucous: Covered with a whitish powder or waxy coating.
Pubescent: With a hairy surface:-stinging/glandular etc.

10. TYPES OF LEAVES
Simple, lobed and compound
Lobed
Simple and Compound

11. Types of compound leaves

12. Subtypes of Compound Leaf

13. Pinnately compound leaves

14. Subtypes of Palmate compound leaves
1. Unifoliate: ex. Citrus 2. Bifoliate: Bauhinia
3. Trifloiate: Trifolium 4. Quadrifoliate: Oxalis
5. Multifloiate: Cotton.

15. Leaf Arrangements on stem:
• Alternate/Spiral: One leaf at each node, alternately arranged on axis.
• Opposite: (a) Superposed- leaves in pairs at node, arranged exactly one
above the other.
• Opposite:(b) Decussate- Leaf pairs at right angles to each other.
• Whorled: Three or more leaves at each node forming cluster around
the axis.

16. Alternate/Spiral
e.g. Carica papaya

17. Opposite-Superposed
e.g. Quisqualis (Rangoon creeper)

18. Opposite- Decussate
e.g. Calotropis( Madar/Rui)

19. Whorled
e.g. Nerium

20. Leaf venation

21. Types of venation

22. Reticulate venation subtypes

23. 2. Thorns/spines

24. Parallel venation subtypes

25. Leaf modifications
1. Tendrils

26. Other Modifications for nutrition

27. Thank
you!!