Yellow Alder plant, also called several other names including Buttercup Bush and Sage Rose, is a herbaceous shrub that grows up 1 meter in height.It is native to Mexico and naturalized in many countries in the world including Sri Lanka and India. It is cultivate in home gardens as a ornamental plant.The plant often confuse with Ludwigia peruviana plant that a noxious invasive weed commonly called 'Peruvian water primrose'.