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Classification of Angiosperms: Features, Classification, Reproduction, Examples, Monocots, Dicots

Classification of Angiosperms: Features, Classification, Reproduction, Examples, Monocots, Dicots

Edited By Irshad Anwar | Updated on Aug 29, 2024 10:44 AM IST

Overview Of Angiosperms

In contrast, angiosperms are flowering plants that can form flowers and fruits that set over their seeds. They have well-developed vascular tissues, namely the xylem and phloem, through which water, nutrients, and food are quickly transported. A typical representative of an angiosperm plant showing its characteristic features is shown in this diagram. Angiosperms, economically and ecologically, play very important roles. These are major food crops like wheat and rice, medicinal plants used in traditional and modern medicine, and ornamental plants that enhance landscapes and gardens.

Classification Of Angiosperms

Angiosperms, or flowering plants, belong to the Kingdom Plantae, which is the highest or largest category in plant taxonomy. They are then placed under the Phylum Angiosperms, followed by classes, orders, families, genera, and species. In this way, this hierarchic manner of classification allows one to group the overwhelming diversity of flowering plants according to shared features and evolutionary relationships.

Major Classes Of Angiosperms

The major classes of angiosperms are:

Class Magnoliopsida (Dicotyledons)

The dicotyledons, or dicots, are characterised by two seed leaves, cotyledons, net-like leaf venation, and a taproot system. This class comprises a vast variety of plants that include roses, beans, sunflowers, and so on. Most of the dicots have a complex floral structure, and the venation patterns of their leaves are usually reticulate.

Class Liliopsida (Monocotyledons)

Monocots are characterized by having one seed leaf, or cotyledon, parallel venation in the leaves, and a fibrous root system. Examples of plants include grasses, lilies, and orchids. Most floral parts of the Monocots are simple compared to those of the Dicots and with a parallel type of venation in their leaves.

Key Angiosperm Families

The details are given below:

Rosaceae (Rose Family)

The Rosaceae family has a wide variety of flower structures and fruit types. Properties include whorled petals and the formation of fruits either drupe, pome, or aggregate fruit. Examples are roses, apples, and strawberries.

Solanaceae (Nightshade Family)

The Solanaceae family is mainly distinguished by flower structure, often having a bell-shaped or tubular corolla and fruit type most commonly described as berry or capsule. These would include tomatoes, potatoes, and peppers.

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Frequently Asked Questions (FAQs)

1. What are angiosperms and why are they important?

Angiosperms are flowering plants that produce seeds enclosed within a fruit. They play a crucial role in the sustenance of ecosystems and agriculture through food production, medicinal use, and habitat formation.

2. What is the main difference between dicots and monocots?

Dicots have two seed leaves or cotyledons and leaves with net-like vegetation. On the other hand, monocots have a single seed leaf and leaves with parallel vein patterns.

3. How are angiosperms classified?

There exist two big groups of angiosperms classes: namely, dicotyledons or dicots and monocotyledons or monocots, which are based on flower structure, and seed leaves, among other features.

4. What are some examples of angiosperm families?

Examples include the rose family, Rosaceae, which also includes apples, and the nightshade family, Solanaceae, which also includes tomatoes and potatoes.

5. How do modern classification systems differ from traditional ones?

Modern classification systems use molecular phylogenetics to detect evolutionary relationships, while traditional systems are based on morphological features.

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