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

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

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.

ඇටඹුරු[Etamburu] (Fagraea ceilanica)

Epiphytic or terrestrial shrub or small tree occurs in and along both primary and secondary forest edges from sea level to about 1500 m a.s.l. or more.

Strychnos benthamii

An endemic shrub or small tree, rarely occurs in both wet and dry lowlands. But small leave state is common in the hills.

Wormbush/Pinkroot(Spigelia anthelmia)

An introduced annual herb native to tropical America. Naturalized along roadsides, home gardens and waste places in Southern and western part of the Country.