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The following list provides the 704 species of common trees and shrubs of flora of Sri Lanka under 95 families. The list is according to A Field Guide to the Common Trees and Shrubs of Sri Lanka, by Mark Ashton, Savitri Gunatilleke, Neela de Zoysa, M.D. Dassanayake, Nimal Gunatilleke and Siril Wijesundera. [1]
The stiff stems are sharply three-angled and usually very concave between the edges. Each plant has three or fewer leaves which are short and narrow. The inflorescence is a small head of several spikelets which may be brown to bright orange, red, purplish, or pale and translucent. They have hairy edges.
Sri Lanka is known to be home to 794 species of Hemipterans. Detailed work of Sri Lankan hemipterans are recorded in the book Catalogue of Hemiptera of Sri Lanka. Sri Lanka comprises 74 species in 46 genera and 6 families of aphids within the order Hemiptera. 2 endemic aphid species are found on Sri Lanka
Rain clouds over a tank in Sri Lanka The tank cascade system ( Sinhala : එල්ලංගාව , romanized: ellaṅgāva ) is an ancient irrigation system spanning the island of Sri Lanka . It is a network of thousands of small irrigation tanks ( Sinhala : වැව , romanized: wewa ) draining to large reservoirs that store rainwater and ...
Sri Lanka needs about 3–4 million metric tonnes annually. Today 30–40% of rice is imported from India. Because Sri Lankan farmers left farming. It cultivates mostly the North Central and East provinces of Sri Lanka. The seasons are called the Maha season and the Yala season. Maha Season starts in September and ends in March.
In 2019 a total area of 16.5% [2] of Sri Lanka was forested. In 2010, it was 28.8% [3] (and 32.2% in 1995. [4]) 9.0% [5] of Sri Lanka's forests are classified as primary forest (the most biodiverse form of forest and the biggest carbon sinks on Earth). Sri Lanka's forests contain 61 million metric tons of carbon in living forest biomass (in ...
Once thought to be extinct, [4] the plant was rediscovered in 2019. [1] The Crudia zeylanica specimen located in the Daraluwa area in Gampaha, was cut down on Tuesday 11 July 2023, what had once been described as the world´s only known wild specimen of a species of legume, part of ongoing construction of a four-lane expressway.
More than 90% of Sri Lanka's surface lies on Precambrian strata, some of it dating back 2 billion years. [6] The granulite facies rocks of the Highland Series (gneisses, sillimanite-graphite gneisses, quartzite, marbles, and some charnockites) make up most of the island and the amphibolite facies gneisses, granites, and granitic gneisses of the Vijayan Series occur in the eastern and ...