Nova, genera, et, species, plantarum, Monachii, Munich, Impensis, Auctoris, 1824-1829, 1824-32, The illustration showcases two distinct species of plants from the genus Ephedra. On the left, a slender stem with small, delicate blue flowers is depicted, highlighting the plant's fine, wiry branches. Each flower is detailed, showcasing its unique structure. The right side features a more robust plant with needle-like leaves arranged in clusters, emphasizing its bushy appearance. Beneath the main stems, botanical illustrations of individual flowers and seed structures provide a closer look at the reproductive features of each species, offering insight into their taxonomy and morphology. The meticulous detailing and organization reflect the scientific approach to botanical illustration.