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Irises is an oil painting by Dutch artist Vincent van Gogh. Painted in 1889, the work is a landscape with a cropped composition and is one of several hundred paintings from a series of paintings that van Gogh made at the Saint Paul-de-Mausole asylum in Saint-Rémy-de-Provence, France, in the last year before his death in 1890.
The iris (pl.: irides or irises) is a thin, annular structure in the eye in most mammals and birds that is responsible for controlling the diameter and size of the pupil, and thus the amount of light reaching the retina. In optical terms, the pupil is the eye's aperture, while the iris is the diaphragm. Eye color is defined by the iris.
Beardless rhizomatous irises It has been generally divided into 2 sections, 'Limniris', which is further divided down to about 16 series and 'Lophiris' (also known as 'Evansias' or crested iris. [ 1 ]
Iris giganticaerulea, the giant blue iris, is a species of iris, in the subgenus Limniris, in the series Hexagonae.It is a rhizomatous perennial, from northern America.It has long bright green leaves, very tall stems and one or two musky fragrant flowers in a range of blue shades (pale, bright, dark, lavender and violet) or rarely white.
Like other irises, it has 2 pairs of petals, 3 large sepals (outer petals), known as the 'falls' and 3 inner, smaller petals (or tepals), known as the 'standards'. [ 2 ] : 17 The standards are slightly paler than the falls, they have white veining on the throat.
Iris subg. Nepalensis is one subgenus of Iris, also known as 'Himalayan irises'. It was formerly genus Junopsis. The irises have fleshy-like roots very similar to a day lily (Hemerocallis). They are best grown in a semi-shady spot in a bulb frame. Most bulbs in the subgenus are found in the Himalayas and Yunnan region. [1] Only four species are ...