)Ancient Tamil’s culture and history evolved along with nature and categorized into five (thinai) lands.

Sangam text called Tholkappiyam, that before the western world civilization emerged, Tamils understanding on genetics and plant sciences were unique.

Tholkappiyam is written by Tholkappiyar, a great grammarian of the Sangam terminology related to economic parts such as fruits is common for both plants.

The time, being taken for deciphering the origin of vrihi has made it a historical conundrum.” However, it need not puzzle us for the word ‘vrhi’ - it is nothing but it is a Tamil word’ valci’has been closely related to the “tracing the origin, its cultivation culture and dispersal of rice in Asia.

The Chinese word for rice in the north, tao or dao or dau, finds its variants in south China and Indo-China as k’au (for grain), hao, ho, heu, deu, and khaw (Ting 1961; Chinese Academy of Agricultural Sciences 1986).

This reference strongly concludes that, even before domestication, wild rice, that is capable of ‘self-propagation’ has been identified and was within the knowledge of the early Tamils.

(Is it an ancestral variety of Oryza sativa/ Oryza nirava?interesting reference called “ vittha valci” [the rice that grown without being sown].The word ‘valci’ is transliterated in Sanskrit as ‘vrhi’.The Greek and Arabic names for rice (Oryza and urz), ginger (Gingibar and zanjabil) and Cinnamon (Karpion and quarfa) man, the rice of the bamboo crop gets the first place in searching the earliest mentioning of rice in the Tamil Sangam literature (300 BC-200 AD) .This ‘moongil arisi’ is as good as the arisi available in the cultivable lands but definitely differs in its colour, shape and the undomesticated rice had its origin in the hilly regions or in the pastoral areas before it could be transmitted to the man-made lands i.e ‘marutha nilum’ or cultivable lands, in the light of the evidences available in Tamil literature.Epigraphists have tentatively read the writing as "ka ri a ra va [na] ta." The urns containing the skeletons had exquisite miniature pots along with paddy and husk.