Giant mimosa/Giant sensitive Tree (Mimosa pigra)

An introduced  shrub native to the Mexico, Central and South America. First identified at the Mahaweli river bank near Kandy in 1996 (But probably colonized there since early 1980's.). It is now considered as a invasive plant and widely distributed along flood plains of some rivers and along roads when sand from the river bed has been used for road constructions. 

Pink wood sorrel(Oxalis debilis var. corymbosa)

An introduced herb native to the South America. Introduced to Sri Lanka as an ornamental, prior to 1882. Escaped and naturalized in the cultivated grounds and disturbed areas of mid country and higher elevation. Flowering probably throughout the year. Flowers open around 9. AM and close early afternoon. 

Sporobolus diandrus [Syn: Sporobolus diander]

Common native grass species widespread throughout the country, while absent only in the upper montane zone. It occurs as a weed of habitation and cultivation. But also found in the grasslands, seepage situations and forest glades. 

කිරි කෝන්/මල් පෙත්ත[Kiri Kon/Malpetta] (Walsura trifoliolata)

Common indigenous tree of dry zone forests (sub species - trifoliolata). Sub species acuminata grows in the wet zone. The bark and the ointment prepared from its fruits are used in traditional medicine.

කළු කඩුම්බේරිය/එළ තිඹිරි [Kalu Kadumberiya/Ela Thimbiri] (Diospyros oocarpa)

Rather rare native tree  of dry and intermediate zone forests and scrubs. 

මාර/පිනි මාර/පාරෙ මාර[Mara/Pini Mara/Para Mara]/Rain tree(Samanea saman[Syn: Albizia saman ])

An introduced tree native to the South America. Rain tree was introduced to Sri Lanka in 1851 and since then widely planted as an avenue tree along many roads. Its leaves and pods are used as fodder and wood can be used to make furniture. 

ලබු ගිරවා [Labu Girawa]/Alexandrine Parakeet (Psittacula eupatria)

An uncommon breeding resident from lowlands to mid hills. But locally more common in some areas. It is mainly a dry lowland bird though seldom occurs in the wet zone. Alexandrine Parakeet inhabits forests and wooded areas as pairs or as small to large flocks. It feeds on fruits, seeds, grains, etc. The breeding season is from November to May. The nest hole is usually a natural cavity or an old woodpecker''s hole in a large dead or living tree, which the parakeets enlarge to suit its own needs. It lays 2-4 eggs in it. 

රස කිඳ/බූ කිඳ/වල් කිඳ[Rasa Kinda/Bu Kinda/Wal Kinda]/Tinospora/Gulancha/Guduchi (Tinospora sinensis)

An indigenous woody climber locally common in low altitude forests and open areas. Common in the dry districts.  Stems, leaves and roots are used medicinally for various ailments.