Biodiversity of Sri Lanka

 An indigenous perennial occurs on wet slopes covered by open forests in the montane zone above 6000 ft elevations.  

Common native perennial grows along roadsides and open areas from lowlands to hills in both dry and wet zones.  

Common native perennial occurs in open grassy places of the hill country.  

Rather rare indigenous perennial growing in large tufts in marshy places of low altitudes. 

Common native annual widely distributed in wet places of all climatic zones. Often found in paddy fields.

Tall native perennial rather rare in wet lowland forests to higher hills. 

Common indigenous annual or apparently biennial of wet grassy places at low elevations. Often a weed in paddy fields. 

Common native tufted herb grows in wet places, often in paddy fields. 

Rather common native plant of moist low country to higher hills. Also in Intermediate zone.

Common native plant occurs in open marshy areas and margins of paddy fields at low elevations. 

Common native perennial herb found on open wet or swampy places from sea level to about 1800 m a.s.l.

Common native perennial of grasslands, roadsides waste places and scrub lands, mainly in the dry lowlands.

An introduced weed native to the tropical Africa and Madagascar . According to the Flora of Ceylon Vol 5 it was only known from a place...

An introduced tall perennial, native to the tropical Africa and Arabia . Widely cultivated as an ornamental and also escaped and natu...

Very common grass like native perennial herb occurs in waste places, roadsides, home gardens and grass lands of both wet and dry lowlands...

An indigenous perennial  common on the grassy beds of the montane forests.

Leafless indigenous perennial occurs in saline swamps and back marshes along the coast.  Known only from Muthurajawela marshy land and ...

Grass like native perennial weed grows in marshy places, both inland and near the coast.  Often occurs as large community. Culms used to...