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Iris forrestii. Iris subg. Limniris. Limniris forrestii (Dykes) Rodion. Iris forrestii is a species of flowering plant in the genus Iris, also the subgenus Limniris and in the series Sibiricae. It is a rhizomatous herbaceous perennial, from China (including Tibet) and Burma. It has linear grassy-like leaves, long thin stem and fragrant yellow ...
Iris wilsonii will tolerate temperatures of up to – 15 degrees C. But may survive lower if protected or well mulched in winter. It is hardy to USDA Zone 6–8, and Zone H2 (which means Hardy to -15 to-20oC (5 to -4oF ), in Europe. It prefers soils with a ph level of 5.5 to 7 (acidic to neutral) and more moisture tolerant.
Iris giganticaerulea (the giant blue iris) is the largest species of the Louisiana irises. [2][3] It has very large green rhizomes, which are between 5 and 12 inches (13 – 30 cm) long and 0.75 to 1.5 inches (2–4 cm) thick. [4][5] They are shallow rooted, marked with the scars (of the previous seasons) leaves, with many branches, which can ...
Iris delavayi will tolerate temperatures of up to −15 degrees C. [7] But may survive lower if protected or well mulched in winter. [16] It is hardy to USDA Zone 5–8, [5] [9] and Zone H2 (which means Hardy to −15 to −20 °C (5 to −4 °F) [26]), in Europe. [10] They prefer soils with a ph level of 5.5 to 7 (acidic to neutral). [9]
As most irises are diploid, they have two sets of chromosomes.This fact can be used to identify hybrids and classification of groupings. [16] It has a chromosome count: 2n=42, [2] [22] [18] 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, an Iris ...
Iris graminea is a species of flowering plant belonging to the subgenus Limniris of the genus Iris, in particular the series Spuriae. It is a rhizomatous perennial , with purple or violet blue flowers almost hidden by narrow, grass-like leaves, and a plum scented fragrance.
Iris brevicaulis is the smallest in all the Hexagonae series of Louisiana irises. [3] Its leaves and stalks are much shorter than the other species. [4] It is similar in form to Iris virginica, [5] The flowers are normally never seen above the foliage, [6] [4] [7] due to the short zig-zagging flower stems and occasionally, due to the habit of the stems to lie along the floor, [8] or it is ...
Iris (plant) Iris. (plant) 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. A common name for some species is flags, while the plants of the subgenus ...
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