What is a compound leaf? Explain its two types with the help of example and diagram.
GeneralClass 12AllAnswered 27 Mar 2026
Answer
Solution:
Compound Leaf: Leaf blade (lamina) is completely divided into separate leaflets. The incision reaches the midrib.
Identification: Axillary bud present at base of petiole, but absent in axil of leaflets.
Types:
- Pinnately Compound:
- Leaflets arranged along a central rachis (modified midrib)
- Unipinnate (neem): Single rachis
- Bipinnate (mimosa): Rachis branched once
- Tripinnate (Moringa): Rachis branched twice
- Palmately Compound:
- All leaflets attached at a common point (tip of petiole)
- Unifoliate (citrus): One leaflet
- Bifoliate (balanites): Two leaflets
- Trifoliate (Oxalis): Three leaflets
- Multifoliate (silk cotton): Many leaflets
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