The odd one out is D, Marigold. The other four flowers are all perennials, while marigold is an annual. Perennials are plants that live for more than two years, while annuals are plants that complete their life cycle in one year.
A rose is a woody perennial flowering plant of the genus Rosa, in the family Rosaceae, native to Asia, Europe, North America, and northwestern Africa. There are over 300 species and tens of thousands of cultivars. They form a group of plants that can be erect shrubs, climbing, or trailing, with stems that are often armed with sharp prickles. The flowers vary in size and shape and are usually large and showy, in colors ranging from white through yellows and reds.
A hibiscus is a genus of flowering plants in the mallow family, Malvaceae. The genus is native to tropical and subtropical regions of the Americas, Africa, Asia, and Australia. There are over 250 species, including annuals, perennials, shrubs, and trees. The flowers are large and showy, and are often used in landscaping and as cut flowers.
A dahlia is a genus of tuberous perennial plants native to Mexico and Central America. The genus includes over 30 species and over 20,000 cultivars. Dahlias are popular garden plants, and are grown for their showy flowers, which come in a wide range of colors and shapes.
A lily is a genus of flowering plants in the lily family, Liliaceae. The genus includes over 100 species, native to temperate regions of the Northern Hemisphere. Lilies are popular garden plants, and are grown for their showy flowers, which come in a wide range of colors and shapes.