The genus Trianthemabelonging to the family Ficoidaceae includes Trianthema portulacastrum, T. triquetra, T. pentandra, T. govinda, T. monogyna and T. decandra as important species, which are weeds and shrubs of the tropical region. This manuscript reviews the chemical constituents like hydrocarbons, proteins, amino acids, glycosides, alkaloids, oxalic/fatty acids, of these plants. It also describes the medicinal aspects of these shrubs as well