Sl no |
Groups |
Characteristic Species |
Altitude (mts) |
Places |
1. |
Tropical Moist Deciduous Forest |
|
|
|
|
Dillenia pentagyna
Dysoxylum floribundum
Gymnema arborea
Lagerostroemia patviflora
Shorea robusta
Toona ciliata |
250-900 |
Rangpo Chhu, Sherwani, Jorethang, Rangit |
2. |
Sub-Tropical Forest |
|
|
|
i)Sub-Tropical
Broad Leaved
Forest |
Albizia procera, Alnus
Nepalensis,
Bauhinia purpurea
Castanopsis indica,
Macaranga denticulata,
Michelia champaca,
Schima wallichii |
1000-2000 |
Tong,Gyalzing, Sangklang Selem Chakung Chhu. |
ii)Sub-Tropical
Pine forests |
Pinus roxburghii, Engelhardtia colebrookiana Quercus leucotrichophora |
1000-1800 |
Gangtok, Gyalzing, Rongli |
3. |
Montantane Wet Temperate Forest |
|
|
|
i)Temperate
Broad Leaved
Forests |
Acer campbellii, Engelhardtia spicata, Machilus edulis, Michelia cathcartii, Quercus lamellose, Taxus baccata |
1700-2700 |
Chunthang- Lachung, Yumthang |
ii)Mixed Coniferous
temperate forest
Forest |
Abies densa, Acer campbellii, Betula utiis, Rhododendron, arboreum,Abies densa, Taxus baccata, Tsuga dumosa, Larix griffithianum |
2700-3000 |
Lachen, Zemu, Yathang, Lachung |
4. |
Sub-Alpine Forest |
|
|
|
|
Abies densa, Betula utiis, Casiope fastigata, Rhododendron sp. |
Above 3000 |
Above Yathang |
5. |
a)Moist Alpine |
|
|
|
i) Birch-
Rhododendron
Scrub Forest |
Betula utilis, Sorbus foliolosa, Rhododendron campanulatum, |
Above 3600 |
Thangu, Maiminchu |
ii) Deciduous
Alpine Scrub
|
Betula utilis, Berberis sp., Lonicera sp., Rosa sp |
3600-3900 |
Changu Thangu |
iii) Dwarf
Rhododendron
Scrub |
Rhododendron lepidotum |
Above 3600 |
Thangu |
iv) Alpine pastures |
Allium, Anemone, Delphinium |
Above 4000 |
Chopta Yumasong |
b) Dry Alpine Scrub |
|
|
|
i) Dwarf Juniperous scrub |
Juniperusrecurva J. wallichiana |
Above 3600 |
Chopta Chhangu |
ii) Dry alpine scrub |
Ephedra gerardiana, Meconopsis sp., Ribes sp. |
Above 4000 |
Chopta |