A floating herb native to Brasil and other
South American countries, which introduced and naturalized in
tropical African and Asian countries including . It was introduced to Sri Lanka in 1905 as an ornamental plant and
now a common invasive plant in most water bodies such as tanks, canals, ponds etc of lowland dry and intermediate parts of the island . Propagated mainly by runners (stolons) which produced new plants. Sri Lanka
Wednesday, November 30, 2011
Monday, November 28, 2011
Saturday, November 26, 2011
Thursday, November 24, 2011
Sunday, November 20, 2011
Common resident of tank edges, paddy fields and open areas, usually not far from the water in the low country and lower hills while much common in dry zone. Usually it is encountered as pairs or small groups feeding on ground-dwelling insects such as grasshoppers, beetles, ants, termites, etc. walking hither and thither in typical plover fashion. Breeding season is from April to September and lays four eggs in a shallow scrape on the ground among stones or debris. If an intruder approaches the nest it takes to wing and circles around the disturber screaming with its loud call did-he-do-it until the enemy has withdrawn.
Thursday, November 17, 2011
Wednesday, November 16, 2011
Common resident bird found in tanks, paddy fields and marshes of low country of the island. It lives as flocks of a dozen or so birds and feeds on paddy, insects and other small animals. It is partially nocturnal and uttered its whistling call frequently in flight when heading to its feeding grounds during dusk from the day retreat which is usually a small islet in a tank or boughs of a dead tree standing in water. Breeding season is from December to January and again from July to August. Nest often place in a water side vegetation or holes in trees usually standing in water.
Monday, November 14, 2011
Common palm of home gardens in wet and intermediate zones of the island up to about 900m a.s.l. Also cultivated close to paddy fields and canals in dry lowlands. Seed betel-nut mastication with betel leaves, flowers use as temple offering and also use in traditional rituals, Leaf sheath as trays, bags and plates. Trunk – as timber in construction works.
Saturday, November 12, 2011
A common butterfly of low country up to about elevation of 1500ft. Much common in areas where coconut cultivations are abundant since its larva feeds on varies plants of family Arecaceae (Palmae) including coconut. Female common palmfly (shown in above picture) is very different from males and it mimic Plain tiger.
Thursday, November 10, 2011
A perennial herb which is believed to be a native plant of
North Africa and desert regions of Arabia. Naturalized in North and North –West seashore
and cultivate in home gardens in other areas of the . Juice of the leaves is used to treat varies types of diseases
in traditional Ayurvedic medicine including coughs, asthma, eye diseases, etc. Sri Lanka
Tuesday, November 8, 2011
Sunday, November 6, 2011
Friday, November 4, 2011
Little ringed plover is a resident bird of marshes, mud-flats, drying tanks and paddy fields, sand banks etc. of the dry zone coastal areas supplemented by race curonicus during winter migrations. Occasionally it is recorded from
and near by marshy areas like Kotte and
Bellanwila-Attidiya, probably of migrant race. It feeds on varies small animals
taken from dry ground or shallow water. Often feed as scattered flocks and when
alarmed mass together and fly in a dashing manner. It breeds from May to July on
gravely shores, sand dunes or islets of large tanks. Usually three stone
colored eggs are laid in a small hollow scraped in a gravel bank. Colombo