Smilax aspera

 An indigenous much-branched climbing shrub rather common in montane zone. Flowering in April.  

ලාවුළු (Donella lanceolata [Syn: Chrysophyllum roxburghii])

 An indigenous common tree of primary and secondary wet evergreen forests from 30 to 900 m elevations, often by river banks.

Stellaria pauciflora

 An indigenous annual herb rare in shaded, moist places in lower montane zone from 915 to 1220 m elevations. Flowering in April.  

Clinopodium umbrosum

 An indigenous herb fairly common in wet patanas, along borders of marshy lands and slopes of tea plantations close to water courses of the wet up country from 2000 to 3600 m elevations. Flowering all the year round. 

Flower Size: 0.4 - 0.6 cm across

Peperomia tetraphylla

 An indigenous perennial herb locally common on mossy rocks and trees in montane forests above 1000 m altitudes. 

ගල් වෙරළු (Elaeocarpus glandulifer)

 An endemic tree common in lower montane zone from 1000 to 2000 m elevations. Flowering from September to March and fruiting from June to December.

Elephant's Ears (Actinodaphne speciosa)

 An endemic tree common in upper montane zone from  1500 to 2500 m elevations.

Robiquetia virescens

An endemic epiphyte on branches of trees in sub montane to montane wet evergreen forests up to 2150 m elevations. 

Flower Size: 4mm across and 1.2 cm long

Seaside Purslane/Shore Purselane/මහ සාරණ (Sesuvium portulacastrum)

 An indigenous prostrate herb common on beaches and near the coast. 

Digera muricata

 An indigenous annual herb locally common along roadsides and gardens of dry and sandy places. 

තෙල් තල [Thel Thala]/Gingerlly (Sesamum indicum)

 An introduced annual herb with origin uncertain (Probably Africa or India). Widely cultivated and also naturalized along roadsides, waste lands and abandoned fields in the dry zone. Flowering from May to August and possibly throughout the year. Seeds edible.

*Cultivated Plants usually have white flowers >>

මහ සාරණ (Zaleya decandra [Syn: Trianthema decandrum])

 
An indigenous prostrate herb in open places and along roads in dry lowland coastal areas. 

Ardisia gardneri

 
An endemic shrub or small tree common in lower montane forests of the wet zone up to about 1500 m elevations. Flowering and fruiting from December to May.

Mecardonia procumbens

An introduced decumbent or erect herb grows on open, frequently wet places such as margins of paddy fields. Native to tropical and sub tropical America. A recent introduction to Sri Lanka and naturalized in some places in the Knuckles Range.  

අල වැල්/බෝ කළවැල්/කළවැල්/Forest beanstalk (Brachypterum scandens [Syn: Derris scandens])

 An indigenous woody liana climbing in trees of the dry zone. Common.

Ceylon Spider Lilly/වල් ලූනු (Pancratium zeylanicum)

An indigenous herb rather common in lowlands. Often cultivated. Flowering more or less throughout the year. 

ලියන්/ඇට හෙරලිය (Homalium ceylanicum)

 An indigenous tree of wet forests and sometimes on stony slopes from 150 to 1140 m elevations. 

බට දඹ/දිය දඹ/කොබෝ මල් (Syzygium nervosum [Syn: Cleistocalyx operculatus, Syzygium operculatum])

An indigenous tree locally common, especially in ravines and along river banks of wet and intermediate  zone forests up to 800 (-1300) m elevations.

Cyanotis ceylanica

 An endemic decumbent perennial in shade or partial shade of forest floor and near streams from 750 to 1220 m elevations.

බල (Nothopegia beddomei)

An indigenous small to medium-sized tree of wet lowlands to hill country forests. Rather common in the intermediate zone and occurs also in the Ritigala hill. Flowering from March to July.