TOPICClassifying Plants ð
Plants can be placed into groups based on their characteristics. Here are the ways we classify them:
ðļFlowering or Non-Flowering
- Flowering plants, such as the hibiscus and rose, bear flowers when fully grown.
- Non-flowering plants, such as ferns and mosses, do not bear flowers.
ðĄ DID YOU KNOW? A single sunflower can have over 2,000 tiny flowers packed together! And it turns its face to follow the sun all day long â like a plant doing yoga. ðŧâïļ
ðąSeed-Bearing or Spore-Bearing
- Plants may reproduce by seeds or spores.
- Seeds and spores can develop into a new plant, allowing the plant to ensure the continuity of its own kind.
ðĄ DID YOU KNOW? A coconut is a seed that can float on water for months and still grow into a new palm tree when it washes up on a beach! ðĨĨðïļ
ðKey Takeaway â Flowering vs Non-Flowering Plants
| ðļ Flowering Plants | ðŋ Non-Flowering Plants |
| Reproduction | By seeds ðą | By spores ð |
| Making Food | Both make their own food through photosynthesis âïļðŋ |
ðïļGrow on Land or in Water
- Plants can be classified by whether they grow on land (land plants) or grow in water (water plants).
- Plants that grow in water can be further classified by whether they:
- Rest on the surface of the water
- Roots underwater, leaves/flowers above water
â ïļPoisonous or Non-Poisonous
- Some plants have parts that are poisonous and hence harmful to humans.
- When handled or consumed, these poisonous plant parts can cause itchiness, rashes, vomiting, diarrhoea, loss of speech, blindness or even death.
- Other plants are grown for food and have parts that can be eaten.
- Commonly eaten plant parts include the root of the carrot plant and the stem of the potato plant.
ðĄ DID YOU KNOW? The castor oil plant is poisonous, but humans have used it for hundreds of years to make medicine and even soap! Some poisonous plants can be useful too. ð
ðAppearance of Plant Parts
Plants can also be classified by the appearance of their plant parts:
ðšFlowers
- Flowers can be classified by whether they grow singly or grow in clusters.
ðFruits
Fruits can be classified by the number of seeds they have, their skin texture, and whether they can be eaten:
- Seeds: Fruits can have one seed like the mango or many seeds like the watermelon.
- Skin texture: Fruits can have smooth skin like the papaya or rough or hairy skin like the kiwi.
- Edibility: Fruits like the tomato can be eaten while fruits like the pong pong cannot be eaten.
ðŋStems
Plants can be classified by whether they have strong stems or weak stems:
- Strong stems: Plants with strong stems are able to hold themselves upright.
- Weak stems: Plants with weak stems need to cling to other plants or objects for support or crawl along the ground.
ðĄ DID YOU KNOW? A banana plant is actually the world's largest herb â not a tree! Its stem is soft and squishy, so it can't hold itself upright like real trees. ð
ðLeaves
Leaves can be classified by their shape, type of edges they have and vein pattern:
- Edges: Leaves can be jagged-edged or smooth-edged.
- Veins: Leaves can have a net or parallel vein pattern.
ðĄ DID YOU KNOW? Some Venus flytrap leaves can snap shut in less than a second to catch insects! They're one of the fastest-moving plants on Earth. ðŠĪð