Hygrophila schulli (Neeramulliya)

Hygrophila auriculata also knownn as Neeramulliya (නීරමුල්ලිය) is a herbaceous, medicinal plant in the acanthus family that grows in marshy places and is native to tropical Asia and Africa.

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.

Hygrophila schulli is part of the catalog of ayurvedic medicinal plants of Sri Lanka.