Plant Lilaceous is a term used to describe plants that belong to the family Liliaceae, which includes a variety of flowering plants such as aloe, yucca, and LOTUS. Aloe is a succulent plant with thick, fleshy leaves and is often used in medicinal products. Yucca is a genus of perennial shrubs and trees with sword-shaped leaves and white flowers. LOTUS is an aquatic plant with large, round leaves and fragrant flowers. All three of these plants are part of the Plant Lilaceous family.