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Iris virginica is a perennial plant that grows up to 0.6–0.9 m (2–3 ft) tall. The plant's sword-shaped basal leaves are erect or sometimes arching and measure up to 91 cm (3 ft) long and 2.5 cm (1 in) across at the base.
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 (state cultivated flower) Iris: 1933 [62] Purple passionflower (state wildflower 1) Passiflora incarnata: 1919 [62] Tennessee purple coneflower (state wildflower 2) Echinacea tennesseensis: 2012 [62] Texas: Bluebonnet spp. Lupinus spp. 1901 (broadened in 1971) [63] Utah: Sego lily: Calochortus nuttallii: 1911 [64] Vermont: Red clover ...
In 2000, a study was carried out on the genetic diversity of Iris cristata and Iris lacustris.It was found that Iris cristata, is a widespread species of unglaciated regions of eastern North America, it would have a wide genetic diversity similar to other known widespread plant species, compared to the threatened Iris lacustris, which only occupies glaciated habitats on Great Lakes shorelines ...
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.
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As most irises are diploid, they have two sets of chromosomes.This fact can be used to identify hybrids and classification of groupings. [17] It has a chromosome count: 2n=42, [3] [23] [19] It has been counted several times. 2n=42, differing from some other Louisiana iris species, so hybrids from crossing with those other species should have an odd number of chromosomes, for example, if an ...
Iris petrana, commonly known as the Petra iris, is a species in the genus Iris, it is also in the subgenus of Iris and in the Oncocyclus section. It has spring blooming flowers that come in shades from burgundy, dark brown to dark violet and purple. They have yellow or dark 'beards' and flower over sword-like grey-green leaves.