1. Plants can be recognised by their external features.
2. Differents plants have differents external features. These include type of stem, flowering or non-flowering, type of leaf surface and shape of leaves.
- Woody stem = Mango tree
- Soft stem = Banana plant
- Flowering = Paddy plant
- Non-flowering = Fern
- Shiny and smooth = Banana plant
- Dull and rough = Pumpkin plant
- Irregular = Fern
- Long leaves = Banana plant
- Oval leaves = Bougainvillea