dotted gayfeather: herb with many stems bearing narrow slender wands of crowded rose-lavender flowers; central United States and Canada to Texas and northern Mexico
blazing star: any of various North American plants of the genus Liatris having racemes or panicles of small discoid flower heads
polyunsaturated fatty acid: an unsaturated fatty acid whose carbon chain has more than one double or triple valence bond per molecule; found chiefly in fish and corn and soybean oil and safflower oil