Thursday, March 31, 2016

අඹවිල [Amba wila] (Limnophila repens)

An indigenous decumbent or erect herb widespread in paddy fields, marshlands, etc. from wet lowlands to lower hills. Occasionally also occurs in the wet places of the dry lowlands. Flowering throughout the year.  

Wednesday, March 30, 2016

Carrot grass/Carrot weed (Parthenium hysterophorus)

Native herb of tropical America. Probably introduced into Sri Lanka in 1988 since it was first observed at the School of Agriculture at Vavuniya which Indian Peace Keeping Force occupied at that time. Now a widely spreading invasive weed of abandoned fields, waste lands, roadsides and cultivated grounds. The plant is toxic and can cause skin and respiratory system problems.

These plant were observed at a roadside location close to the Mathale town (7°27.769'N, 80°37.767'E)

Tuesday, March 29, 2016

Monday, March 28, 2016

පුපුල/හීන් බෝටිය[Pupula/Hin botiya] (Vernonia zelylanicum)

Common endemic shrub occurs in track sides in patanas, dunes bordering forest scrub at sea level and roadsides up to about 1000 m altitude. Flowering most of the year. 

Sunday, March 27, 2016

Blue Lotus (Nymphaea capensis)

An introduced aquatic herb with floating leaves, native to the Africa. Cultivated and also escaped and naturalized in ponds and tanks. Flowering throughout the year. Often confused with the national flower of Sri LankaNymphaea nouchali

Saturday, March 26, 2016

Legazpia polygonoides [Torenia polygonoides]

Recent addition to the Flora of Sri Lanka*. Rather rare native herb of marshy areas of the southwestern wet zone. Usually grows under shade of shrubs. But also occurs on open places.

* Illustrated field guide to the flowers of Sri Lanka Volume 2, J. & J. de Vlas,2014 

Friday, March 25, 2016

Salvia misella [Salvia riparia]

An introduced perennial herb native to Mexico to Peru and West Indies. Introduced as an ornamental. Escaped and naturalized along roadsides in partial shade in the lower hills and dry lowlands from 200 - 2000 m elevations. Flowering from March to December.

Wednesday, March 23, 2016

Sapphire Fluterer (Rhyothemis triangularis)

Rather rare dragonfly found in marshes, ditches, tanks and slow moving rivers, mainly in the low country wet zone. But there are records also from drier parts of the island. 

Tuesday, March 22, 2016

අක්කපාන/රට ගෝවා [Akkapana/Rata Gova]/Air plant/Coirama (Bryophyllum pinnatum[Kalanchoe pinnata])

An introduced herb with fleshy leaves native to the Africa. Naturalized on open rocky places of the low country up to about 1200 m elevations. Probably introduced to Sri Lanka shortly before 1837.

Monday, March 21, 2016

Yellow tabebuia (Handroanthus serratifolius[Tabebuia serratifolia])

Native tree of central and south America. Cultivated as an ornamental tree. Flowering from December to March.

Sunday, March 20, 2016

කහ ගෝන කොළ [Kaha Gona Kola] (Adenosma camphoratum)

An endemic herb occurs in damp places close to ditches or a watercourse in the wet lowlands below 700 m a.s.l. Flowering from March to December*.

*Flowers observed end of January of  plants growing along the roadside of a fragmented wet lowland forest patch. 

Friday, March 18, 2016

Cuphea micropetala

An introduced woody herb native to the Mexico. Cultivated in gardens. Naturalized plants recorded from a seepage area of a tea estates in Lindula and a disturbed forest near Diyaluma falls (Flora of Ceylon Vol 9).

Thursday, March 17, 2016

රත් නෙ‍ටුල්[Rat Netul]/Rosy Flowered Leadwort (Plumbago indica)

An introduced shrub probably native to the Southeast Asia. Cultivated as a medicinal plant since its roots and leaves are used in traditional medicine. Flowering from December to March and rarely from August to December. 

Wednesday, March 16, 2016

අහු[Ahu]/Great Morinda/Indian Mulberry (Morinda citrifolia)

Common native shrub or small tree occurs mainly along the coast in the wet zone. Also cultivated in inland places. Flowering from September to October. Its roots, leaves and fruits are used in traditional medicine.

Tuesday, March 15, 2016

Monday, March 14, 2016

හෙන්දිරික්කා[Hendirikka]/False Jalapa/Four o' clock, Marvel of Peru(Mirabilis jalapa)

Native herb of Peru. Introduced as an ornamental and cultivated in home gardens. Also escaped and naturalized in waste places. Flowers occurs in white, yellow, purple or pink forms. Flowers open in the late afternoon and close in the morning. Hence the vernacular name Four o' clock.

Sunday, March 13, 2016

බූ සේරු[Bu-Seru](Premna tomentosa)

Common native tree or shrub grows in the dry and intermediate low country up to about 1200 m (1500 m?) altitude. Wood use in carving, furniture building and construction industries. Leaves, roots and barks have medicinal values. 

Saturday, March 12, 2016

Spathiphyllum cannifolium

Native herb of tropical America. Introduced as an ornamental and cultivated in gardens. Possibly also naturalized in shaded places.  Flowering throughout the year.

Friday, March 11, 2016

අඳු\ගඳකුප්ප[Andu/Gadhakuppa]/Long Coriander/Stink weed (Eryngium foetidum)

An introduced herb native to tropical America. Cultivated and also naturalized along forest edges, shaded or sunny disturbed areas, stream banks, etc. from 550 - 800 m around Peradeniya Royal Botanical Garden. The plant has a very strong unpleasant bug like smell.

Thursday, March 10, 2016

මදුරු තලා [Maduru Thala]Sacred Basil/Holy Basil (Ocimum tenuiflorum)

Common native herb occurs along roadsides and open waste places from lowlands to about 530 m elevations. Flowering from December to August. 

Wednesday, March 9, 2016

පතොක් [Pathok]Velvet opuntia/Nopales opuntia (Opuntia cochenillifera)

An introduced high-growing cactus native to Southern Mexico. Cultivated in gardens as an ornamental and also as a hedge plant.

Tuesday, March 8, 2016

කටු කරඬු[Katu Karadu]/Yellow Hedge Barleria (Barleria prionitis)

Common indigenous prickly shrub in open waste places and scrub lands in the dry zone. Sometimes also cultivated as a hedge plant. in village dwellings. Flowering from March to August. Whole plant, especially its roots medicinal.

Monday, March 7, 2016

Coral vine/Mexican Creeper (Antigonon leptopus)

An introduced large herb climbing with long tendrils over walls, hedges and other vegetation. Native to the central America. Flowering throughout the year. Cultivated as an ornamental and also escaped and naturalized.

Sunday, March 6, 2016

ඒකාවේරිය/නකුල/රත් ඒකාවේරිය[Ekaveriya/Nakula/Rath Ekaveriya]/Indian Snakeroot(Rauvolfia serpentina)

An indigenous sub - shrub  of secondary scrub lands and grassy places of the wet lowlands up to about 700 m elevations. Due to not observing of it during the 'Flora of Ceylon project' Herbert Huber  noted in 1983 that it may have been possibly extinct in the wild due to intense exploitation (Dasanayaka M.D. & Fosberg F.R., 1983, Flora of Ceylon Vol 4). However 2012 Red list categorized it under the Endangered status. It is an important medicinal plant.

Saturday, March 5, 2016

Friday, March 4, 2016

Mexican poppy (Argemone mexicana)

Native plant of tropical and subtropical North America. Introduced and naturalized in waste and disturbed places, usually near houses. 

Thursday, March 3, 2016

Wednesday, March 2, 2016

Dog's tongue (Pseudelephantopus spicatus)

A recent addition to the Flora of Sri Lanka*. An introduced herb native to the Caribbean. First time recorded from altitude 400 m of Peak wilderness. Numerous naturalized plants observed at Meethirigala forest reserve of Gampaha district (Personal observation, 2016/01/29).

* Illustrated field guide to the flowers of Sri Lanka Volume 2 - J. & J de Vlas, 2014