Natural Vegetation of India: 5 Major Forest Types Explained

India has five major types of forests, according to NCERT: tropical evergreen and semi-evergreen, tropical deciduous, tropical thorn, montane, and littoral and swamp forests. Rainfall, temperature and height above sea level decide which type grows where. Together they make up most of India’s natural vegetation.

This guide is the hub for every page on India’s forests and vegetation zones. It first explains what natural vegetation means in an Indian setting. Then it walks through each forest type, the official forest type groups and the latest forest cover figures. For the wider picture of vegetation across the world, see our guide to natural vegetation, its types and importance.

What is natural vegetation in India?

Natural vegetation is a plant community that has been left undisturbed for a long time. Over that time, each plant species adjusts as fully as it can to the local climate and soil. NCERT’s Class 11 chapter “Natural Vegetation” uses this idea to define the term.

The key word is “undisturbed”. A mango orchard or a city park may contain the same trees as a forest. But people planted them and look after them, so they are planted vegetation, not natural vegetation.

India is a land of great variety in natural vegetation. Temperate plants cover the high Himalayas. Tropical rainforests grow on the Western Ghats and the Andaman and Nicobar Islands. Deltas carry tropical forests and mangroves. The deserts of Rajasthan support cacti, bushes and thorny plants.

What decides the vegetation of a region?

NCERT’s earlier Class 8 book, Resources and Development, explains that plant growth depends mainly on temperature and moisture. Where rain is heavy, tall trees can thrive. As moisture falls, trees become shorter and fewer. Very dry places carry thorny shrubs with deep roots and waxy or thorny leaves that reduce water loss.

In India, rainfall is the strongest control in the plains and plateaus. In the mountains, temperature takes over, because it drops as you climb. Soil type and the direction a slope faces add finer local differences.

What are the main types of natural vegetation in India?

India’s natural vegetation can be sorted into a few broad kinds. This answers the question that many students search as “natural vegetation types in India”:

1. Forests – the largest category, split into five groups by NCERT (described below).
2. Scrub and thorny bushes – in dry, semi-arid areas such as Rajasthan and Gujarat, where trees stay small and scattered.
3. Grasses and grasslands – tall tussocky grass under thorn forests, open grassy patches in dry deciduous areas, and temperate grasslands in the Himalayas.
4. Alpine pastures and tundra-like plants – meadows above the tree line, and mosses and lichens at the highest altitudes.
5. Wetland and coastal vegetation – mangroves, swamp plants and the plants of marshes, lakes and deltas.

Forests are the backbone of this list, so most exam questions on “natural vegetation of India” really ask about forest types. The master table below sums up all five NCERT forest groups in one place.

Types of forests in India at a glance

What are the 5 major types of forests in India?

NCERT groups Indian forests by two shared features: the dominant type of vegetation and the climate region. This gives five groups:

• Tropical evergreen and semi-evergreen forests
• Tropical deciduous forests
• Tropical thorn forests
• Montane forests
• Littoral and swamp forests

Each group is a family of related forests rather than one fixed forest. For example, “tropical deciduous” covers both wet teak and sal forests and much drier open woodland. The sections below take the five groups one at a time.

Where are tropical evergreen and semi-evergreen forests found?

These forests grow on the western slope of the Western Ghats, in the hills of north-east India and on the Andaman and Nicobar Islands. NCERT describes them as warm and humid places. Annual rainfall is over 200 cm and the mean yearly temperature stays above 22°C.

Tropical evergreen forests are well layered. Shrubs and creepers cover the ground. Short trees form a middle layer, and very tall trees rise above them, sometimes reaching 60 m or more. Trees shed leaves, flower and fruit at different times. So the forest never looks bare and stays green all year. Typical trees include rosewood, mahogany, aini and ebony.

Semi-evergreen forests grow in the less rainy parts of the same regions. They mix evergreen trees with moist deciduous ones. Climbers growing underneath keep the forest looking green. White cedar, hollock and kail are the main species.

Tropical evergreen (rain) forests in detail

Our cluster article on tropical evergreen forests in India looks closely at where these rainforests occur and why they are so rich in life. It covers their layers, typical trees and the threats they face. Use it for long answers on India’s rainforests.

What are tropical deciduous (monsoon) forests?

Tropical deciduous forests are the most widespread forests in India, according to NCERT. They are also called monsoon forests. They grow where annual rainfall lies between 70 and 200 cm. “Deciduous” means the trees shed their leaves for part of the year, during the dry season.

Water supply splits them into two kinds:

In the wetter parts of the Peninsular plateau and the northern plain, dry deciduous forest forms a parkland landscape. Open stretches of grass separate scattered teak and other trees. In western and southern Rajasthan, the cover becomes very thin because of low rainfall and overgrazing.

Where are tropical thorn forests found?

Tropical thorn forests grow where rainfall is less than 50 cm a year. On their wetter side they meet dry deciduous forest, which NCERT says turns into thorn forest at its drier margins. NCERT places them in the semi-arid parts of south-west Punjab, Haryana, Rajasthan, Gujarat, Madhya Pradesh and Uttar Pradesh.

Plants stay leafless for most of the year, so the land looks like scrub. Grasses and shrubs are common. Tussocky grass grows up to 2 m tall as undergrowth. Important species are babool, ber, wild date palm, khair, neem, khejri and palas. Many of these plants have long roots and small or thorny leaves that help them survive drought.

Tropical thorn forests and scrubs

The cluster on tropical thorn forests and scrubs in India explains how these dry forests survive months without rain. It describes their plants, their adaptations and the pressure from grazing. It also shows where thorn forest turns into open scrub.

The Thar Desert and its vegetation

The driest edge of this belt is the Thar, where only hardy plants survive. Our guide to the Thar Desert’s features, flora and fauna covers its sand dunes, desert plants and animals. It is useful when a question asks how desert vegetation differs from thorn forest.

What are montane forests?

Montane forests are mountain forests. As you climb a mountain, the temperature falls. The vegetation changes with it, much as it would if you travelled from the tropics towards the poles. NCERT divides these into northern mountain forests (the Himalayas) and southern mountain forests (the hills of Peninsular India).

Himalayan vegetation zones

The Himalayas show a full succession of plants from tropical to tundra. NCERT gives these zones:

Deodar, a valued tree found only in this region, grows mainly in the western Himalayas. NCERT describes its wood as durable and mainly used in construction. The chinar and walnut, which support Kashmir’s famous handicrafts, belong to the temperate zone. Herding tribes such as the Gujjars, Bakarwals, Bhotiyas and Gaddis move their animals to the high pastures in summer. This seasonal movement is called transhumance.

Colonial rule changed these hill forests too. NCERT records that the British replaced oak forests in Garhwal and Kumaon with chir pine, which was needed for laying railway lines. Elsewhere, forests were cleared for tea, rubber and coffee plantations.

The southern, rain-facing slopes of the Himalayas carry thicker forest than the drier northern slopes. The reason is simple: they receive more precipitation.

Southern mountain forests and sholas

The southern mountain forests grow in three areas: the Western Ghats, the Vindhyas and the Nilgiris. They lie closer to the tropics. NCERT notes that temperate forests grow above about 1,500 m, while the lower slopes of the Western Ghats are subtropical. In the Nilgiri, Anaimalai and Palani hills these temperate forests are called Sholas. Magnolia, laurel, cinchona and wattle are trees of economic value here.

Montane forests in detail

The cluster on montane forests of India maps each Himalayan vegetation zone in more depth. It explains why slope direction matters and how Sholas differ from Himalayan forests. Use it for diagram-based answers on altitude zones.

Coniferous forests of the Himalayas

Pines, firs, spruces and deodar form the cone-bearing belt of the montane zone. The page on coniferous forests in India covers their location, main trees and uses. It also explains why these trees have needle-shaped leaves.

Flora of Jammu and Kashmir

Jammu and Kashmir packs many Himalayan zones into one region, from foothill forest to alpine meadow. Our article on the flora of Jammu and Kashmir lists its native plants, including chinar, walnut and conifers. It links each plant group to the altitude where it grows.

Wildlife of Jammu and Kashmir

The forests and pastures of this region shelter mountain animals and birds found in few other places. The guide to wildlife of Jammu and Kashmir introduces them and their habitats. NCERT lists Project Hangul among the special species projects of the Government of India.

What are littoral and swamp forests?

Littoral means “of the shore”, and a swamp is land that stays waterlogged. Littoral and swamp forests therefore grow along coasts and in wetlands. NCERT notes that India has a rich variety of wetland habitats. It groups them into eight types, from Deccan reservoirs and Kachchh salt flats to the Gangetic marshes and Andaman mangroves.

Mangroves are the best-known part of this group. They grow in salt marshes, tidal creeks, mud flats and estuaries. Their plants tolerate salty water, and their maze of creeks shelters many birds. NCERT says mangroves are best developed in the Andaman and Nicobar Islands and the Sundarbans of West Bengal. The Mahanadi, Godavari and Krishna deltas also have important stands. These forests face encroachment and need protection.

According to ISFR 2023, India’s mangrove cover is 4,991.68 km², which is 0.15% of the country’s geographical area. The same report places mangroves in Champion and Seth’s Type Group 4, littoral and swamp forests.

Littoral and swamp forests in detail

The cluster on littoral and swamp forests in India covers beach forests, freshwater swamps and mangroves together. It explains how each copes with salt, flooding and shifting sand. Use it when a question asks about the whole fifth group, not only mangroves.

Mangrove forests across India, state by state

Our overview of mangrove forests in India looks at mangroves across the whole country. It compares the coastal states and island territories and shows which has the most cover. As per ISFR 2023 Table 3.3, West Bengal leads with 2,119.16 km², followed by Gujarat with 1,164.06 km² of mangrove cover.

The Sundarbans mangrove forest

The Sundarbans mangrove forest article focuses on one place only: the delta forest of West Bengal. It covers the tides, creeks, plants and the famous tigers of this region. Read it for case-study answers on a single mangrove ecosystem.

How does the Forest Survey of India classify forest types?

For official mapping, the Forest Survey of India (FSI) uses the classification of Champion and Seth (1968). It divides India’s forests into 16 forest type groups. Most FSI groups fit within NCERT’s five broad groups. For example, NCERT’s montane forests include FSI’s subtropical pine, Himalayan moist temperate and sub-alpine groups.

The table below gives the area of each group from ISFR 2023 Table 5.2. Its total, 6,39,834 km² (about 6.4 lakh km²), is the area mapped by forest type, not India’s total forest cover. ISFR adds that forest type areas include some scrub and some land outside recorded forests.

According to ISFR 2023, tropical dry deciduous forests cover the largest area of all 16 groups. Tropical moist deciduous forests come second. This matches NCERT’s statement that deciduous forests are India’s most widespread type. The smallest group is subtropical dry evergreen forest.

How much of India is covered by forests?

The FSI measures forests from satellite images every two years and publishes the India State of Forest Report (ISFR). According to ISFR 2023, India’s forest cover is 7,15,342.61 km², or 21.76% of its geographical area. Tree cover adds 1,12,014.34 km² (3.41%). Together, forest and tree cover come to 8,27,356.95 km², which is 25.17% of the country.

In ISFR 2023, forest cover means land of one hectare or more with tree canopy density of at least 10%. Tree cover means smaller tree patches and scattered trees outside forests. Canopy density is how much of the ground the tree crowns shade when seen from above.

Canopy density classes

ISFR 2023 sorts forest cover into three density classes. It maps scrub separately and does not count it as forest cover.

Largest forest in India and forest cover by state

Which state has the most forest? According to ISFR 2023 Table 2.4, Madhya Pradesh has the largest forest cover by area, at 77,073.44 km². Arunachal Pradesh (65,881.57 km²) and Chhattisgarh (55,811.75 km²) follow.

Rankings by share use forest cover as a percentage of each state’s or union territory’s area, from the state chapters of ISFR 2023 Volume II. On that measure, Lakshadweep is highest at 91.33%, followed by Mizoram (85.34%) and the Andaman and Nicobar Islands (81.62%). Among the states alone, Mizoram leads, followed by Arunachal Pradesh (78.67%) and Meghalaya (75.65%).

Our cluster on the largest forest in India and forest cover by state goes through these rankings in full. It also explains the difference between forest area recorded on paper and forest cover seen from satellites.

Why are forests important and how does India protect them?

Forests supply timber, fuel, fodder and medicine, hold soil in place and shelter wildlife. Forest policy, social forestry and protected areas are explained in our guide to environmental conservation.