Hygrophila auriculata

Hygrophila auriculata (Sanskrit: gokaṇṭa, Bangla (বাংলা নাম): kulekhara (কুলেখাড়া) kokilākṣa) is a herbaceous, medicinal plant in the acanthus family that grows in marshy places and is native to tropical Asia and Africa. In India it is commonly known as kokilaksha or gokulakanta, in Sri Lanka as neeramulli. In Kerala and Tamil Nadu it is called vayalchulli (വയൽച്ചുളളി) and Neermulli (நீர்முள்ளி) respectively, and in the Telugu states, it is known as Godugu-gaddi (గొడుగుగడ్డి) or Gruddi-kamanchi (గ్రుడ్డికామంచి). Introduction - hygrophila or marsh barbel (English) It is commonly called in Tamil nirmuli. An annual herbal plant growing up to 60 cm in height. The stem of the plant is tetragonal, hairy and stiff at the nodes. The bark is dark brown, although the leaves are elliptic-lanceolate and herpid. The flowers are purple and to a lesser extent violet blue. The fruit resembles a four-sided shape, linear, glabrous and about 1 cm long with seeds that are hairy and brown in color....read more on Wikipedia.