Lamarckia is a genus of flowering plants in the family Poaceae, commonly known as grasses. It includes several species that are typically found in warm, temperate regions. These plants are characterized by their slender, upright growth and elongated leaves, making them well-suited for various habitats. One notable species within this genus is Lamarckia aurea, often referred to as golden lamarckia. It is recognized for its attractive yellowish flowers and is commonly used in ornamental landscaping. The genus is named after the French biologist Jean-Baptiste Lamarck, who is known for his early theories on evolution.