Plants are categorized into two main groups. It is based on the flowering nature of plants.
Plants
Flowering plants (bear flowers)
* Monocotyledonous
* Dicotyledonous
Non flowering plants (do not bear flowers)
* Plants with seeds
* Plants without seeds
FLOWERING PLANTS
* Bear flowers.
* Bear fruits
* Seeds are enclosed in fruits. ( Angiosperms)
* Angiosperms are divided into 2 groups. ( monocots & dicots)
Monocotyledonous plants (Monocots)
* One cotyledon in seed
* Unbranched stem.
* Fibrous roots
* Paralleled venation in leaves.
* Flower parts in multiple of 3.
Dicotyledonous plants (Dicots)
* Two cotyledon in seed.
* Branched stem.
* Tap root with lateral roots.
* Reticulated venation in leaves.
* Flower parts in multiple of 4 or 5.
NON FLOWERING PLANTS
* Do not bear flowers
* Do not bear fruits.
* Can be divided into two groups.( presence or absence of seeds)
Non flowering plants with seeds
* Do not produce fruits and flowers.
* Bear open seeds. Eg: Cycas, Pinus
Non flowering plants without seeds
* Propagation occur through spores.
Non flowering plants without seeds
Bryophyta
Liverworts
Eg: Marchantia,
Mosses
Eg: Poganatum
Lycophyta
Eg: Selaginella,
Pterophyta
Eg: Nephrolepis
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