කහ කෝන[Kaha-kona] (Senna spectabilis[Cassia spectabilis])

Native tree of the South America. Introduced and planted as an ornamental, mostly in the hill country near tea plantations. 

හීන් උඳුපියලිය[Heen-Undupiyaliya]/Creeping tick threefoil/Tick clover(Grona triflora [Syn: Desmodium triflorum])

An indigenous prostrate perennial herb very common on roadsides, open grounds, lawns,etc from lowlands to about 600 m elevations. Flowering from June to October.

Gomphandra tetrandra

Rather uncommon shrub or small tree occurs in primary and secondary wet evergreen forests from 75-1200 m a.s.l. Ripe berries are white.

මල් සේරා[Mal Sera]/Cotton Pygmy-Goose/Cotton Teal (Nettapus coramandelianus coramandelianus)

Rather uncommon breeding resident inhabiting low country tanks and large ponds covered with weeds and lotus like water plants. It is much common in the dry zone and where it lives as pairs or small to larger flocks. Wet zone records earlier only consist of migrants during the north-east monsoon period though there are recent observations of all the year round and also breeding. It feeds on vegetable stuffs, water insects and molluscs, etc.  Cotton Pygmy-Goose breeds from January to March and again in August. It build its nest in a cavity of a tree growing near tanks and lays 8-12 eggs. 

Scrambled-egg-tree (Senna surattensis [Cassia surattensis])

Native tree of the Southeast Asia. Introduced and cultivated as an ornamental. Roots and other parts medicinal. 

Actinoscirpus grossus [Schoenoplectus grossus]

Grass like native perennial weed grows in marshy places, both inland and near the coast.  Often occurs as large community. Culms used to make baskets and mats. 

කොබෝ-ලීල[Kobo-leela]/Dwarf white orchid-tree(Bauhinia acuminata )

An introduced shrub native to Southeast Asia. Cultivated as an ornamental in home gardens. Flowering most of the year.

ඇහැළ[Ehela]/Indian Laburnum/Shower of Gold (Cassia fistula)

An indigenous tree widely cultivated as an ornamental along roadsides and home gardens. Good timber tree and whole part of the tree used in traditional medicine.

White Orange Tip (Ixias marianne)

Common butterfly flies in the dry low country scrublands. Commoner in the northern part of the island especially in the Jaffna and Mannar districts though also occurs in the south and southeastern areas. Larval host plants are Capparis brevispina, Capparis grandis and Capparis sepiaria of the family Capparaceae .  

Afrohybanthus enneaspermus [Syn: Hybanthus enneaspermus]

Common indigenous herb grows among grass in open areas of the low country. Whole plant medicinal and shampoo made from the plant removes dandruff. Flowering throughout the year.

වල් ත්‍රස්තවාලු [Wal-Trasta-Walu](Hewittia malabarica [Syn: Hewittia sublobata])

Common indigenous vine occurs along roadsides, grasslands, scrub lands, forest edges, cultivation, waste lands, etc. from sea level to about 1000 m altitude in both wet and dry zones. Flowering from June to August. 

ගිනි-කැන්ද[Gini-kandha]/Bleeding-heart tree(Homalanthus populifolius)

Probably an introduced tree native to Australia & New Guinea* (Also in Malaysia and Pacific islands) though it was considered as a doubtfully native in Sri Lanka#. It occurs in both primary and secondary forests in the hill country from  1550 m to 2000 m elevations, usually in areas adjacent to tea estates.

* Illustrated field guide to the flowers of Sri Lanka J. & J. de Vlas
# Flora of Ceylon Vol 11 Dasanayaka M.D. & Clayton W.D.*

මහ ඇපල[Maha epala]/Tropical rose-mallow(Hibiscus vitifolius)

Common indigenous shrub occurs in open places, waste lands and forest edges in the dry lowlands below 150 m a.s.l. Flowering from August to September and March to April (Probably also in other months). 

Cyclothea disjuncta?

Location - Bamunukotuwa (Kurunagala district)
Reference - The Lepidoptera of Ceylon - F. Moore, F.Z.S. Vol 3 Page 429 as Thalera disjuncta.
Expanse - 3 cm
External Links -http://www.inaturalist.org/observations/1124359

හුලන් තලා [Hulan tala]/Goat weed/White weed (Ageratum conyzoides)

Native herb of tropical America. Very common invasive weed along roadsides, cultivated grounds and waste places throughout the island. Flowering throughout the year. Flowers white, blue or mauve.

Croton (Codiaeum variegatum)

Native plant of Indonesia, Malaysia and the western Pacific ocean islands. Introduced and widely cultivated in gardens. There are several hundred cultivars with wide diversity of leaf shapes and colors.

බූ-දද-කීරිය[Bu-Dada-Kiriya]/Common Spurgeof (Euphorbia hirta)

Common introduced weed of waste and cultivated grounds.

Grey-breasted Prinia/Franklin's Prinia (Prinia hodgsonii)

An uncommon breeding resident occurs locally from lowlands to mid hills. Much commoner in the dry zone and rare in the wet lowlands. It lives as pairs or as small flocks in forest edges, scrublands and grasslands. Its food consists of small insects such as moths, grasshoppers and caterpillars. The breeding season lasts from March to June. The nest placed within a pocket made by 'sawing' together of two large leaves or few smaller leaves like the Tailor bird. Nest usually build about 2 or 3 feet of the ground and it lays 3 eggs in it. 

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තෙල් තල [Thel Thala]/Gingerlly (Sesamum indicum)

An introduced annual herb with origin uncertain (Probably Africa or India). Widely cultivated and also naturalized along roadsides, waste lands and abandoned fields in the dry zone. Flowering from May to August and possibly throughout the year. Seeds edible.

Sleepy Morning (Waltheria indica)

An introduced shrubby herb native to tropical America.  It occurs along roadsides, weedy fields, waste places, rocky outcrops and cultivation from 8 to 330 m a.s.l.