Iris belongs to the Iris family, the flowers bloom like butterflies dancing in the green grass, very beautiful, is an important ornamental plant on the mainland, widely cultivated.
It is a perennial herb with characteristic leaves, box-shaped sets, no main leaf veins, and rhizomes.
Its flowers are pale blue-purple, it looks like a three-round petal-like structure, three in each round, the outer second round is its six flower covers, the outermost round of flowers is drooping downwards, there are chicken crown-like appendages on it, these three are its sepals, the appearance looks obviously petal-like, the inner round is the real petal, the innermost round is very similar to the narrower petals, in fact, this is the pistil flower pillar, hidden stamens on the back of the pistil.
The French regarded the iris as the national flower, using it as a symbol of light and freedom. Van Gogh's paintings with Iris as the theme are rich in color, flexible lines, full of fresh atmosphere and vitality, and are regarded as one of the ten most expensive paintings in the world, and are extremely valuable.
Van Gogh works
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