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Iris douglasiana, the Douglas iris, is a common wildflower of the coastal regions of Northern and Central California and southern Oregon in the United States. [2] It grows mainly at lower elevations, below 100 meters (330 ft), though it is occasionally found at heights of up to 1,000 meters (3,300 ft).
Like many irises, Iris tenax has large and showy flowers. The flowers bloom in mid to late spring and are usually lavender-blue to purple, but blooms in white, yellow, pink, and orchid shades are known to sometimes occur. The leaves are very slender for an iris, seldom over 5 mm broad; the plant is often mistaken for a type of grass when not in ...
Iris verna, the dwarf violet iris, is a species of flowering plant in the iris family . [1] It is endemic to the eastern United States from Maryland to Florida along the Atlantic Coast, west to Mississippi, and inland to Kentucky, Tennessee, and Ohio. [2] [3] [4] It occurs in nutrient-poor acidic soils of open to semi-shaded woodlands. [3]
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.
A perennial herb, I. domestica may grow to a height of 0.6–1 metre (2 ft 0 in – 3 ft 3 in), with its rhizomes in shallow ground, extending horizontally. [3] It has 3-5-stems and 8–14 leaves per stem growing in a fan, with flowers ascending proximally having orange-red scattered spots of darker pigment, blooming during summer. [3]
This designation was made in 1933 by the state legislature. Although the law does not specifically define a type of iris, it is generally accepted that the purple iris is the state flower. [10] The blue flag has been the provincial flower of Quebec since 1999, having replaced the Madonna lily which is not native to the province. [11] [12]
Iris innominata, the Del Norte County iris, is a species of iris native to southern Oregon, and California along the north coast and Klamath Ranges in Del Norte County, California. The leaves are dense and evergreen, up to 20 cm. The flower is typically deep golden yellow with darker veins, although colors may vary. The flower stems are about ...
In 1981, Brian Mathew (within his book 'The Iris') and separately, Yu Tang Zhao (as part of the Flora of China series), re-classified it as part of Series Tenuifoliae. [8] [6] It was then renamed Iris polysticta (with Iris farreri now a synonym). [11] Later in 1987, Fritz Köhlein in his book, 'Iris', thought that it was a form of Iris graminea ...