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Iris chrysophylla, the yellowleaf iris, is a wildflower which ranges from midwestern and southern Oregon west of the Cascades and south to the crest of the Siskiyou Mountains in northern California. The yellowleaf iris grows up to 5,500 feet (1,700 m) elevation, most commonly in open, coniferous forests.
Iris bucharica (also Bukhara iris, corn leaf iris and horned iris) is a species of flowering plant in the family Iridaceae. It is a bulbous herbaceous perennial, from temperate Asia, within Afghanistan, Tajikistan and Uzbekistan. It has long blue green leaves, many flowers in spring, in shades of yellow and white.
The presence of hairs on leaves, which may be coloured differently from the leaf itself, can also produce variable coloration. This is found in various Begonia species and their hybrids. Sometimes venal variegation occurs – the veins of the leaf are picked out in white or yellow. This is due to lack of green tissue above the veins.
When these pests strike, they often leave small dots or yellow stippling patterns on plant leaves, but they can also cause distorted leaf growth and coat plant leaves and stems with a sticky ...
Flowering yellow iris (Iris pseudacorus) at a treatment pond. In water purification, yellow iris (I. pseudacorus) is often used. The roots are usually planted in a substrate (e.g. lava-stone) in a reedbed-setup. The roots then improve water quality by consuming nutrient pollutants, such as from agricultural runoff. This highly aggressive grower ...
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 ...
It is a rhizomatous perennial plant, from Turkey and Greece, with white flowers with a yellow mark or blotch. It was also known as Iris ochroleuca for a long time. It is commonly known as yellow banded iris in the U.S. and Turkish iris in the UK but also has some other less common names. It is very hardy and has been known to naturalize in ...
Iris reticulata has spherical to drop shaped bulbs, [4] that are coated with a solid brown fiberous network. [5] The leaves appear after flowering, [5] it has 10 cm (3.9 in) high stems. [6] [7] In the Northern Hemisphere it blooms in the winter, between November and January, [8] [6] or sometimes in February. [5]