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Iris sibirica, commonly known as Siberian iris or Siberian flag, is a species of flowering plant in the family Iridaceae.It is a rhizomatous herbaceous perennial, from Europe (including France, Italy, Switzerland, Austria, Czech Republic, Slovakia, Germany, Hungary, Poland, Romania, Bulgaria, Former Yugoslavia, Belarus, Estonia, Latvia, Lithuania, Moldova, Ukraine and northern Turkey) and ...
Iris sibirica and Iris sanguinea were first recorded and described in the 18th century, but date back in Europe before that. They were used in herbal remedies, to cure ulcers, remove freckles and cure other women's problems. In the 19th century, they began to be used more as garden plants, and new hybrids were developed.
The iris consists of two layers: the front pigmented fibrovascular layer known as a stroma and, behind the stroma, pigmented epithelial cells.. The stroma is connected to a sphincter muscle (sphincter pupillae), which contracts the pupil in a circular motion, and a set of dilator muscles (dilator pupillae), which pull the iris radially to enlarge the pupil, pulling it in folds.
Iris is a flowering plant genus of 310 accepted species [1] 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.
Plant anatomy or phytotomy is the general term for the study of the internal structure of plants. Originally, it included plant morphology , the description of the physical form and external structure of plants, but since the mid-20th century, plant anatomy has been considered a separate field referring only to internal plant structure.
Iris albicans – white cemetery iris, white flag iris; Iris alexeenkoi Grossh. Iris aphylla L. – stool iris, table iris, leafless iris (including I. nudicaulis) Iris aphylla subsp. hungarica (Waldst. & Kit.) Helgi ; Iris attica (Boiss. & Heldr.) Hayek; Iris benacensis A.Kern. ex Stapf; Iris bicapitata Colas; Iris croatica – Perunika I ...
Not from the actual human body, of course, but from the anatomical diagrams that purported to represent it. Goss was the esteemed editor of the 25th edition of the seminal classic Gray’s Anatomy . Internationally lauded as the authority on all things anatomical, Gray’s Anatomy had been considered essential for any would-be physician to own ...
Iridaceae (/ ɪ r ɪ ˈ d eɪ s i ˌ aɪ,-s iː ˌ iː /) is a family of plants in order Asparagales, taking its name from the irises.It has a nearly global distribution, with 69 accepted genera with a total of c. 2500 species.