Carrion flower Borneo and Sumatra. It can grow to be 3 feet across and weigh up to 15 pounds. "R. arnoldii" is a parasitic plant on "Tetrastigma" vine, which grows only in primary rainforests. It has no visible leaves, roots, or stem. It does not photosynthesize, but rather uses the host plant to obtain water and nutrients. Plants in the genus "Stapelia" are also called "carrion flowers". They are small, spineless, cactus-like succulent plants. Most species are native to South Africa, and are grown as potted plants elsewhere. The flowers of all species are hairy to varying degrees and generate the odor
Anemone nemorosa tint on the backs of the tepals. The flowers are pollinated by insects, especially hoverflies. The seeds are achenes. The yellow wood anemone ("Anemone ranunculoides") is slightly smaller, with yellow flowers and usually without basal leaves. Wood sorrel "Oxalis acetosella", which grows in similar shaded places, can be readily distinguished by its ternate and clover-like leaves and smaller flowers with 5 white petals and 5 sepals. The plant contains poisonous chemicals that are toxic to animals including humans, but it has also been used as a medicine. All parts of the plant contain protoanemonin, which can cause severe skin and