sagebrush mariposa tulip: mariposa having loose clusters of one to three handsome lilac flowers resembling umbels atop stout erect stems; arid northwestern North America east of Cascade Mountains from southern British Columbia to northern California
mariposa: any of several plants of the genus Calochortus having tulip-shaped flowers with 3 sepals and 3 petals; southwestern United States and Mexico
laminar flow: nonturbulent streamline flow in parallel layers (laminae)