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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.
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 (anatomy), part of the eye; Iris, a genus of praying mantis; ... Iris flower data set, a standard example data set for use in statistics (and related software)
The flowers are around 2.5–3 cm (0.98–1.18 in) wide. [5] [7] The flowers are much smaller than those of other Reticulata irises. [5] Like other irises, it has two pairs of petals, three large sepals (outer petals), known as the "falls", and three inner, smaller petals (or tepals), known as the "standards".
Iris setosa, the bristle-pointed iris, is a species of flowering plant in the genus Iris of the family Iridaceae, it belongs the subgenus Limniris and the series Tripetalae.It is a rhizomatous perennial from a wide range across the Arctic sea, including Alaska, Maine, Canada (including British Columbia, Newfoundland, Quebec and Yukon), Russia (including Siberia), northeastern Asia, China ...
Iris foetidissima L. – Stinking Iris, Gladwin Iris, Stinking Gladwin, Gladdon, Roast-beef Plant; Series Hexagonae (known as the Louisiana irises) Iris brevicaulis Raf. – Zigzag Iris; Iris fulva Ker-Gawl. – Copper Iris; Iris giganticaerulea – Giant Blue Iris, Giant Blue Flag; Iris hexagona Walt. – Dixie Iris; Iris nelsonii Randolph ...
Crocus display the general characteristics of family Iridaceae, which include basal cauline (arising from the aerial stem) leaves that sheath the stem base, hermaphrodite flowers that are relatively large and showy, the perianth petaloid with two whorls of three tepals each and septal nectaries.
Iris versicolor is a flowering herbaceous perennial plant, growing 10–80 cm (4–31 in) high.() It tends to form large clumps from thick, creeping rhizomes.The unwinged, erect stems generally have basal leaves that are more than 1 cm (1 ⁄ 2 in) wide.