වල් තේ කොළ [Wal te kola]Ceylon tea/Spanish needle/Beggar's tick (Bidens pilosa var. pilosa)

An introduced herb native to temperate and tropical America. Naturalized in Sri Lanka and occurs as two varieties.
var. pilosa (Above pic) - Without or usually with very small white ray flowers. Only known from Peradeniya-Kandy area. Flowering from November to March.
var. minor - Very common weed of roadsides, disturbed places, cultivated grounds, etc. in the montaze zone. Flowering occurs throughout the year.

පඹුරු[Pamburu](Pamburus missionis)

An indigenous small tree, rather common in dry lowland areas. Often occurs in sandy coastal areas. Flowering in April

ගිණිහිරිය[Ginihiriya] (Breynia quadrangularis [Syn: Sauropus quadrangularis])

An indigenous shrub of dry and intermediate zones.

* Sauropus rigidus Thw. which was considered as a rare endemic species is now treated as a synonym of Sauropus quadrangularis (Willd.) Muell. Arg.

Eriocaulon ceylanicum

An endemic perennial herb grows in swampy grasslands, ditches and stream margins of the higher hills from 2000 to 2400 m elevations. Flowering from October to May.

Cordia monoica

An indigenous tree known from dry lowland forests and open areas. 

ගොඩ කදුරු[Godakaduru]/Nux-Vomica(Strychnos nux-vomica)

An indigenous tree of dry zone secondary forests and scrub lands. Whole plant medicinal. 

Grewia bracteata

An indigenous shrub or small tree grows in lower montane forests of the intermediate zone.

දියමිත්ත[Diyamitta]/Velvet leaf(Cissampelos pareira)

Common native slender woody climber occurs throughout the island up to 1200 m a.s.l. Scrambling and twining over shrubs and in trees of forests. Roots, stem and leaves are used in medicine.

Male flower (Picture) Size = 3 mm 

දොඩම් පනා[Dodam Pana](Glycosmis pentaphylla)

An indigenous shrub or small tree  found in secondary thickets and forest borders of dry and intermediate zone up to about 1000 m a.s.l.

Justicia tranquebariensis

Common native herb or small undershrub grows in light shade among rocks or in sandy ground among short grass in the dry lowlands. Flowering from January to September.

වැල් කරල් හැබ[Wel karal Haba]/Forest Burr/Creeping Cock's Comb(Pupalia lappacea var. lappacea)

An indigenous herb occurs as two varieties in the island.

•  P, l, lappacea (Above Picture) - Grows open dry places along forest edges.
•  P. l. orbiculata  - Common in the sandy places behind the shoreline.

කෙකිළි මැස්ස/කුකුළු මැස්ස[Kekili Messa/Kukulu Messa](Miliusa indica)

Common indigenous shrub or small tree widespread from sea level to about 1000 m a.s.l. in both wet and dry zone forests. But confined to the secondary vegetation in the wet zone. 

රත පඹ/රට පඹ/බඹු[Ratha Pamba/Rata Pamba/Bambu](Ipomoea quamoclit)

An introduced vine native to the tropical America. Widely cultivated in gardens as an ornamental and also escaped and naturalized in thickets and other disturbed sites. 

බෝවිටියා/හීන් බෝවිටියා [Bowitiya, Heen Bowitiya](Osbeckia octandra)

An endemic much-branched shrub occurs in grasslands, open places and disturbed grounds along roadsides in both wet and dry lowlands and sometimes also in high elevations in the montane zone. Leaves and roots are used in medicine. 

Dendrolobium triangulare

An indigenous shrub grows in openings in dry and intermediate zone forests.

Utricularia graminifolia

Common native small herb found on wet rocks and other such wet places from 500 to 2400 m elevations. White stems of this plant with traps (Stolon), running in the moist underground can capture small aquatic animals. Sometime large leaves also have traps. 

Kyllinga melanosperma (Syn: Cyperus melanospermus)

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

Mitrasacme prolifera [Syn: Mitrasacme indica]

An indigenous small herb occurs in wet open patana lands from sea level to about 700 m elevations.

* Size of the flower 3-4 mm across.

පිහිඹිය[Pehimbiya] (Filicium decipiens)

An indigenous medium to large size tree common in intermediate and wet zone forests up to 900 m elevations. Flowering and fruiting occurs from January to April. Often planted as an ornamental and shade tree. 

නෙළු[Nelu] (Strobilanthes diandra)

An endemic under-shrub grows in primary and secondary montane forests and scrubs mainly in the northern part of the Kandy district from 900-1600 m a.s.l.

ගැරඬි වැල්/ගෝපි/ප්‍රියවර්ණ[Garandi wel/Gopi/Priyawarna]Ichnocarpus(Ichnocarpus frutescens)

Common native woody twiner of scrub like secondary vegetation in dry lowlands up to about 1000 m elevations.

Thornless mimosa (Aeschynomene americana)

An introduced herb native to tropical and subtropical America. Cultivated as a green-manure cover crop and as hay. Escaped and naturalized along roadsides and waste places.

ගස් ගොනික[Gas gonika] (Pseudarthria viscida)

Common native erect, trailing or more or less twining perennial herb in light woodlands of the low country up to about 1000 m elevations. 

වල් අසමෝදගම්[Wal Asamodhagam] (Pimpinella heyneana)

An indigenous annual herb occurs in moist areas among grass under trees, along roadsides and waste grounds, mainly in the dry lowlands from 70 to 170 m elevations and up to about 1300 m elevations in the Uva province. 

බෝවිටියා[Bowitiya] (Osbeckia aspera)

A much -branched native shrub occurs in grasslands, open forests and among rocks in dry and lower montane zones. 

තරණ[Tarana]/(Tarenna asiatica)

Common native shrub or small tree occurs in dry scrub and open secondary vegetation of the low country. Flowering from February to April.

බූ නෙළු[Bu Nelu](Strobilanthes cordifolia [Syn: Stenosiphonium cordifolium])

An indigenous small shrub grows along streams and river banks of secondary forest undergrowth in the dry and intermediate zones. Common and gregarious plant flowering from December to April. 

නාහ[Naha](Lasiosiphon glaucus [Syn: Gnidia glauca])

A much-branched native shrub or occasionally a small tree. Locally common along dry roadsides, dry ground above rock outcrops, open patana lands and rarely in forests from 610 to 1200 m elevations in the western part of the Uva province and eastern part of the Central province.  

කන් හැන්ද[Kan Henda]/Blue fountain bush(Rotheca serrata [Syn: Clerodendrum serratum])

Common indigenous shrub occurs along forest margins of moist low country up to about 1200 m a.s.l. Flowering from April to September.