වල් දුම්කොළ [Wal Dumkola](Sonchus wightianus)

 Common weed of roadsides and in the mortar of bridges and road embankments in the lower montane zone. Flowering from January to June and probably throughout the year. Possibly a native herb of Sri Lanka since it is falling within the natural distribution range of the species. But in absence of specimens of it earlier than 1915 Sonchus wightianus also considered as an introduced species which is native to India and China (http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:250399-1). 

Hedyotis cyanescens

 An utmost rare endemic herb of western lowland forests. 

හැළඹ[Halamba] (Mitragyna parvifolia)

An indigenous tree common in dry deciduous forests.

කන ගොරක/ගොකටු/කොකටිය[Kana Goraka/Gokatu/Kokatiya]/Gamboge (Garcinia cambogioides [Syn: Garcinia morella])

 An indigenous tree distributed in wet evergreen lowland forests. Sometimes also cultivated. Latex of this tree is an excellent gamboge which used locally for paintings and dyeing. 

වට්ටක්කා [Wattakka]/Pumpkin gourd/Squash gourd (Cucurbita maxima)

 
An introduced  trailing or climbing tall annual herb widely cultivated in all climatic zones.  The wild ancestor of this species is native to South America.

Tetrapilus polygamus [Syn: Olea polygama]

 

An indigenous small tree of evergreen montane forests, including secondary forests from 1000 to 2400 m elevations.

Flower Size - About 3mm across

Hedyotis trimenii

 An indigenous shrub or small tree grows in open secondary vegetations, forests edges and rocky areas on mountain tops up to about 2150 m elevations. 

පොළොස් කොට්ටෝරුවා (Megalaima Zeylanica)

 සියළුම දේශගුණික කලාප වල පාහේ සුලභව දැකිය හැකි පක්ෂියෙකු මුත් ඉහල කඳුකර කලාපයේ තරමක් දුර්ලභය. ඝන වනාන්තර වලට වඩා ගෙවතු සහ විවෘත ප්‍රදේශ වලට වැඩි කැමැත්තක් දක්වන අතර යුගල වශයෙන් හෝ කුඩා රංචු වශයෙන් හැසිරේ. විවිධ පළතුරු වර්ග, කුඩා ගෙඩි ප්‍රධාන වශයෙන් අහාරයට ගන්නා මුත් කුරුමිණියන් වැනි කුඩා කෘමි සතුන්ද ගොදුරු කරගන්නා බව නිරීක්ෂණය කර ඇත. තුරුමත පමණක් හැසිරෙන අතර පොළොව මත කිසිවිටක දැකිය නොහැක. ප්‍රධාන අභිජනන කාලය පෙබරවාරි සිට ජූලි දක්වා වන අතර අගෝස්තු සිට සැප්තැම්බර් දක්වා වූ ද්වීතීයක අභිජනන සමයක්ද ඇතැම් විට සිදුවේ. පොලොස් කොට්ටෝරුවා මැරුණු ගසක කඳේ හෝ අත්තක සාදා ගත් කුහරයක සිය කූඩුව තනා ගනී.
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මිමිණි මාර[Mimini Mara](Archidendron clypearia [Syn: Abarema subcoriacea])

An indigenous small tree grows in forests above 1500 m elevations. 

Cissus gardneri

 An endemic liana rather common in forest edges and clearings in the lower montane zone. Flowering all the year round.

Justicia scandens [Syn: Justicia glabra]

An indigenous undershrub of mid country moist places. Flowering from January to April. 

Yesterday-today-and-tommorrow (Brunfelsia pauciflora)

 An introduced ornamental shrub native to South America. Cultivated in home gardens. 

Eugenia sp.

 An Eugenia species with almost sessile flowers. A shrub probably endemic to the Sri Lanka (or indigenous). An addition to the flora of Sri Lanka, first recorded in Vlas de J., 2019 from Knuckles range. 

Vlas de J., 2019 - Illustrated field guide to the flowers of Sri Lanka Volume 3

බිනර/ගිණිහිරිය[Binara/Ginihiriya] (Exacum trinervium ritigalensis)

 

An endemic herb grows on gravelly soil of rocky places and of patanas in the dry intermediate zone towards the central hills and in the dry up country. Much common in the western sector of the Uva province and isolated pockets in the North western and Central provinces from about 400 to 1200 m elevations. Flowering throughout the year.

Lepidagathis ceylanica

Rathe rare endemic herb of moist mid country. Flowering from March to July and November. It was considered as a Critically endangered (Possibly extinct) species in the 2012 National Red List.

Coffea wightiana [Syn: Psilanthus wightianus]

 

An indigenous  deciduous shrub of dry zone scrub lands.

Lepidagathis walkeriana

 An endemic shrubby herb grows under shade in busy localities in sub montane and moist mid country. Often grows on embankments bordering disturbed submontane forests. Rather common and flowering from March to November. 

Eulophia epidendraea

 

Large native terrestrial herb, rather rare in the shade, on decaying leaves and soil on rocks in the intermediate and dry zones. 

Curcuma oligantha

 

An indigenous herb of the dry zone. Flowers produced before, or with developing leaves from the base of a new leaf shoot. One flower opening at a time.

දුණුමඩල/ලුනුමඩල/ලුනුමිදෙල්ල [Dunumadala/Lunumadala/Lunumidella] (Stereospermum colais [Syn: Stereospermum tetragonum,S tereospermum personatum])

 An indigenous large tree with spreading branches, grows in both wet and dry zones up to about 650 m elevations.  Flowering from May to August.