The leaves are long, evergreen, glossy, and citron-like, being ovate elliptic in shape and lemon scented.[4] Ponderosa lemon also has larger than average citrus flowers, and bears fruit throughout the year.The ponderosa lemon originated in roughly 1887, and is believed to come from a chance seedling grown in Hagerstown, Maryland.cytryna skierniewicka) and popularized their growing in Polish homes, which was meaningful at the time because of the relative scarcity of imported fruits.In addition, like citron, Ponderosa lemon trees can flower and bear fruit at the same time, further adding to the visual appeal.