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Sisyrinchium is a large genus of annual to perennial flowering plants in the family Iridaceae.Native to the New World, the species are known as blue-eyed grasses. Although they are not true grasses (Poaceae), they are monocots.
The stems of Sisyrinchium bellum can grow as long as 60 centimetres (24 in), though they are often shorter. Its leaves are grassy and tufted. The flowers are 1–2 centimetres (0.39–0.79 in) in diameter and purplish-blue, varying somewhat in color from a true blue to a definite purple; occasional white-flowering plants are found.
Nemophila is a genus found in the flowering plant family Boraginaceae. Most of the species in Nemophila contain the phrase "baby blue eyes" in their common names. N. menziesii has the common name of "baby blue eyes". N. parviflora is called the "smallflower baby blue-eyes" and N. spatulata is called the "Sierra baby
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 ...
"Japanese iris" is also a catch-all term for the Japanese iris proper (hanashÅbu), the blood iris (I. sanguinea, ayame) and the rabbit-ear iris (I. laevigata, kakitsubata). I. unguicularis is a late-winter-flowering species from Algeria, with sky-blue flowers with a yellow streak in the centre of each petal, produced from Winter to Spring.
Some circle the circumference of the iris and the majority radiate toward the pupil. Blood vessels and nerves intersperse this mesh. In dark eyes, the stroma often contains pigment granules. Blue eyes and the eyes of albinos, however, lack pigment. Structure of the iris and surrounding parts showing the stroma of iris (stroma iridis).
Upper leaves are more or less sessile and less lobed than lower. The stalk of the inflorescence is 20–60 millimetres (0.8–2.4 in). Calyx lobes are 4–8 millimetres (0.2–0.3 in). The flower is blue with a white center or all white, usually with blue veins and black dots near the center. It is 6–40 millimetres (0.2–1.6 in) wide.
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.