බක් මී/රට බක්මී (Nauclea orientalis)

An indigenous tree common in dry deciduous forests and secondary forests of the moist regions.

Lasianthus chrysocaulis

 An endemic shrub of montane shrubberies. 

Hedyotis plantaginifolia[Syn: Hedyotis verticillaris subsp. plantaginifolia & Pleiocraterium plantaginifolium]

 

An endemic tussock-forming herb common in Patana and wet marshy grasslands above 1800 m elevations.

Hedyotis dendroides

 An endemic shrub or small tree of upper montane shrubberies above about 1800 m elevations. Often in open and secondary areas.

කළු කුරටිය[Kalu kuratiya] (Psychotria gardneri)

An endemic shrub common in forests from 1000 to 2000 m elevations. Flowering from March to April and fruiting from August to September. 

Flower size - About 0.7 cm across

 

Hedyotis marginata

 An endemic shrub or small tree of upper montane shrubberies. 

Hedyotis neolessertiana

 An endemic shrub or small tree of upper montane shrubberies. Often in open and secondary areas. 

Hedyotis cyanescens

 An utmost rare endemic herb of western lowland forests. 

හැළඹ[Halamba] (Mitragyna parvifolia)

An indigenous tree common in dry deciduous forests.

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. 

Coffea wightiana [Syn: Psilanthus wightianus]

 

An indigenous  deciduous shrub of dry zone scrub lands.

Psychotria zeylanica

An endemic shrub or small tree, very common in the moist forests of the Central hills, usually above 1500 m a.s.l. Flowering beginning during April-May and continuing into November-December. During October-November flowers and mature fruits can be seen simultaneously on some trees. 

Psychotria nigra

An indigenous shrub or small tree of moist forests of Central and Southern provinces to about 1000 m a.s.l. (variety nigra) and elevations over 800 m a.s.l.(Variety  coronata), Flowering September, November.

මදන මෝහිණී වැල්/වැල් මදට/යගන වැල් [Madana Mohini Wel/Wel Madata/Yagana Wel] (Rubia cordifolia)

Common indigenous perennial herb of secondary and disturbed montane forests.  

Ophiorrhiza rugosa

Native erect or procumbent herb occurs in primary and secondary  forests and damp places in the wet zone. 

Ixora thwaitesii

An indigenous shrub or small tree of moist and intermediate zone forests from lowlands to hill country up to about 1000 (2000) m a.s.l

මහ ගැටකුලු/ගැටිල පඳුරු/පුදන් [Maha Getakulu/Gatila Panduru/Pudan](Benkara malabarica)

Common indigenous shrub of dry deciduous forests and exposed ridges in the wet zone. 

Siamese white ixora (Ixora finlaysoniana)

An introduced ornamental shrub widely cultivated in wet and intermediate zone gardens. Native to the Thailand. 

Knoxia sumatrensis

An indigenous herb occurs as two varieties in the island.

• Knoxia sumatrensis sumatrensis - Grows from lowlands to about 1300 m elevations
• Knoxia sumatrensis hookeriana (Above picture) - Found in mountainous regions from 500 to 2200 m a.s.l. 

මහ රතඹලා[Maha Ratambala]/Torch Tree(Ixora pavetta)

Common native shrub or small tree distributed in dry deciduous forests of the low country and lower montane zones. Flowering from March to July.