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Question
Collect a monocot and dicot plant available in your area. Observe the plants carefully and describe them in scientific language.
Answer in Brief
Solution
(1) Hibiscus (A dicot plant)
- Root: Tap root
- Stem: Erect and branched
- Leaf: Simple, alternate, with reticulate, venation.
- Calyx: Sepals-5, Gamosepalous
- Corolla: Petals-5, Gamopetalous
- Androcecium: Stamen indefinite. Filaments are united to form a staminal tube. The staminal tube bears reniform (kidnet shaped) anthers.
- Gynoecium: Pentacarpellary, syncarpous.
|
A Twig |
L.S. flower |
|
Gynoecium |
Anther |
(2) Onion (Allium cepa)
A small herb with a tunicated bulb
- Root: Fibrous
- Stem: Underground stem (bulb)
- Leaves: Hollow and tubular
- Flower: Complete, bisexual
- Perianth: Made up of 6 lobes, % arranged in two whorls of 3 each.
- Androcium: Made up of 6 stamens, Epiphyllous.
- Gynoecium: Tricarpellary, syncarpous, ovary superior.
|
|
Flower |
Androecium |
Inflorescence |
Gynoecium |
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