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Kokkilai Lagoon is partly surrounded by mangrove swamps and sea grass beds. [1] The surrounding area includes cultivated land, scrub and open forests. [1] Numerous varieties of water and wader birds are found in the sanctuary including cormorants, ducks, egrets, flamingoes, herons, ibis, pelicans and storks.
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 ...
Dillenia triquetra is a plant endemic to the island of Sri Lanka, where it is known as ...
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 garden includes more than 4000 species of plants, including orchids, spices, medicinal plants and palm trees. [3] Attached to it is the " National Herbarium of Sri Lanka ". The total area of the botanical garden is 147 acres (0.59 km 2 ), at 460 meters above sea level, and with a 200-day annual rainfall.
Ex-situ conservation of dry and arid zone plants of Sri Lanka. Dry zone landscape improvement. Ecotourism promotion. Providing knowledge and training on botany and floriculture. Promoting medicinal herbs. Studies on lesser known and under utilized plants in the dry zone.
Dillenia retusa is a plant endemic to the island of Sri Lanka, there are records in the forests of Bolampatti and Anamalai hills. An ornamental, moderate sized tree, twigs and peduncles are glabrous. Leaves blunt at tip, cuneate at base, serrate, glabrous.
Seethawaka Botanical Garden, or Seethawaka Wet Zone Botanic Garden is a botanical garden located in Sri Lanka which mainly serves as a research area and a conservation area for threatened and vulnerable endemic plant species in the Sinharaja Rain Forest region.