(Erythronium caucasicum)
Erythronium caucasicum is a bulbous perennial plant in the lily family, native to the western and central Caucasus and the Alborz Mountains in North Iran. The leaves are spotted. In contrast with its closest relative, Erythronium dens-canis, the anthers are yellow. The petals are usually white or yellowish. Erythronium, the fawn lily, trout lily, dog's-tooth violet or adder's tongue, is a genus of Eurasian and North American plants in the lily family, most closely related to tulips.The name Erythronium derives from Ancient Greek ἐρυθρός (eruthrós) "red" in Greek, referring to the red flowers of E. dens-canis.Of all the established species, most live in North America; only six species are found in Europe and Asia.