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Learn everything you need to know about growing irises, including how to plant them, how to grow and care for iris flowers, and how to bulbs in this Old Farmer's Almanac guide.
Iris is a flowering plant genus of 310 accepted species with showy flowers. As well as being the scientific name, iris is also widely used as a common name for all Iris species, as well as some belonging to other closely related genera.
May 19, 2023 · How to Plant and Grow Iris. This perennial is a garden classic that comes in a huge variety of sizes, shapes, and colors. With over 200 species in this diverse group of plants, there is bound to be the perfect iris for your garden. In general, irises are low-maintenance and easy to grow.
The iris ( pl.: irides or irises) is a thin, annular structure in the eye in most mammals and birds, 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. Etymology.
Jun 5, 2024 · iris, (genus Iris), genus of about 300 species of flowering plants, including some of the world’s most popular and varied garden flowers. The diversity of the genus is centerd in the north temperate zone, though some of its most handsome species are native to the Mediterranean and central Asian areas.
Feb 20, 2022 · What is the iris of the eye? The iris is the colored part of your eye. Muscles in your iris control your pupil — the small black opening that lets light into your eye. The color of your iris is like your fingerprint. It’s unique to you, and nobody else in the world has the exact same colored eye.
Feb 20, 2024 · The iris is the colored part of the human eye and a component of the uvea. Also known as the uveal layer or uvea coat, the uvea is a pigmented layer found between the retina and the sclera (white of the eye). In addition to the iris, the uvea also consists of the choroid and ciliary body.
Apr 23, 2022 · Learn about the iris, the colored part of the human eye, in this comprehensive overview. Includes abnormalities of the iris and pupil.
Jun 12, 2023 · The iris is the circular coloured part of the eye. It is part of the vascular layer of the eye - the other two components are the choroid and the ciliary body. The central opening of the iris is the pupil. Within the iris there are smooth muscle fibers that control the size of the pupil.
Jan 20, 2018 · The iris is a flat and ring-shaped membrane behind the cornea of the eye with an adjustable circular opening in the center called a pupil. This is the structure that provides an individual with...
