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Lysiloma is a genus of flowering plants belonging to the family Fabaceae. [ 1 ] The genus is native to the Americas, and species range from Arizona and New Mexico through Mexico and Central America to Costa Rica , and in Florida , Cuba , Hispaniola , the Bahamas , and Turks and Caicos Islands .
National parks are a class of protected areas in Sri Lanka and are administered by the Department of Wildlife Conservation. National parks are governed by the Fauna and Flora Protection Ordinance (No. 2) of 1937 and may be created, amended or abolished by ministerial order. [1]
The ecoregion covers an area of 48,400 square kilometers (18,700 sq mi), about 75%, of the island of Sri Lanka, with the exception of the islands' southwestern corner and Central Highlands, home to the Sri Lanka lowland rain forests and Sri Lanka montane rain forests ecoregions, respectively, and the northern Jaffna Peninsula, which is part of the Deccan thorn scrub forests ecoregion.
The lowland rain forests accounts for 2.14 percent of Sri Lanka's land area. [3] This ecoregion is the home of the jungle shrew, a small endemic mammal of Sri Lanka. [4] Sri Lanka has the highest density of amphibian species worldwide. [2] Many of these, including 250 species of tree frogs, live in these rain forests.
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 forests in Sri Lanka have been removed to make way for agricultural land and plantations and to provide fuel and timber. The sale of timber is a part of the national economy to raise revenue. The country is a major producer of tea and the land required for tea plantations is substantial.
Plant diversity and endemism in Sri Lanka are quite high. Of 3,210 flowering plants belonging to 1,052 genera, 916 species and 18 genera are endemic. [3] All but one of Sri Lanka's more than 55 dipterocarp (Sinhalese "Hora") are found nowhere else in the world. Sri Lanka's amphibian diversity is only becoming known now.
There are over 246 land gastropods of Sri Lanka, of which 83% are endemic. Sub class Pulmonata consists of 159 species within 23 families and subclass Prosobranchia by 88 species in four families. Five land snail genera, Ravana , Ratnadvipia , Acavus , Oligospira and Aulopoma are endemic to Sri Lanka with 14 species in them.