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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 albicans – white cemetery iris, white flag iris; Iris alexeenkoi Grossh. Iris aphylla L. – stool iris, table iris, leafless iris (including I. nudicaulis) Iris aphylla subsp. hungarica (Waldst. & Kit.) Helgi ; Iris attica (Boiss. & Heldr.) Hayek; Iris benacensis A.Kern. ex Stapf; Iris bicapitata Colas; Iris croatica – Perunika I ...
Iris tenuis (Clackamas iris) is a plant species in the genus Iris, subgenus Limniris. It is a rhizomatous perennial, endemic to Clackamas County, Oregon. The flowers are white, pale blue or lilac, with a yellow or golden low dissected crest and pale green leaves. It is cultivated as an ornamental plant in temperate regions.
In biology, an identification key, taxonomic key, or frequently just key, is a printed or computer-aided device that aids in the identification of biological organisms. Historically, the most common type of identification key is the dichotomous key , a type of single-access key which offers a fixed sequence of identification steps, each with ...
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 ...
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The Reds", species Iris fulva and Iris nelsonii, typically have red-orange corollas, with rare yellow forms. [1] Between 1920s and 1930s, Dr. John K. Small extensively studied irises in both Florida and Louisiana and named over 80 new species, including Iris savannarum, Iris kimballiae, Iris albispiritus and Iris rivularis. [2]
Eristalis tenax, the common drone fly, is a common, migratory, cosmopolitan species of hover fly. [2] It is the most widely distributed syrphid species in the world, and is known from all regions except the Antarctic. It has been introduced into North America and is widely established. It can be found in gardens and fields in Europe [3] and ...