Nelsonia canescens belongs to the group of annual and biennial plants, is a species in the genus Nelsonia which contains approximately 4 to 6 species and belongs to the family of the Acanthaceae [Genus: Nelsonia; Family: Acanthaceae; subfamily: Nelsonioideae]. Perennial herb with several trailing stems from a central taproot or rootstock, a ground cover.
Nelsonia canescens is a weedy species. The fresh leaves have a sour lemon-like taste and are often reported to be eaten.
Naturalized: naturalized elsewhere.