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Iris pseudacorus, the yellow flag, yellow iris, or water flag, is a species of flowering plant in the family Iridaceae. It is native to Europe, western Asia and northwest Africa. Its specific epithet pseudacorus means "false acorus", referring to the similarity of its leaves to those of Acorus calamus (sweet flag), as they have a prominently ...
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 ...
Snake's-head iris Hermodactylus tuberosus * Bearded iris Iris germanica * Siberian iris Iris sibirica * Yellow iris Iris pseudacorus: Purple iris Iris versicolor * Japanese iris Iris ensata * Blue iris Iris spuria * Turkish iris Iris orientalis * Stinking iris Iris foetidissima: English iris Iris latifolia * Spanish iris Iris xiphium * Bugle ...
Flag iris typically refers to several species of iris plant: Iris pseudacorus, the yellow flag iris; Iris versicolor, the larger blue flag iris; Iris prismatica, ...
Iris laevigata Fisch – Rabbitear Iris, Shallow-flowered Iris, kakitsubata (Japanese) Iris maackii Maxim. Iris pseudacorus L. – Yellow Iris, Yellow Flag; Iris versicolor L. – Larger Blue Flag, Harlequin Blueflag; Iris virginica L. – Virginia Iris; Series Longipetalae (Rocky Mountain or long-petaled iris) Iris longipetala Herb. – (Coast ...
Yellow Iris pseudacorus flowers on a blue field of water. The heraldist François Velde is known to have expressed the same opinion: [8] However, a hypothesis ventured in the 17th c. sounds very plausible to me. One species of wild iris, the Iris pseudacorus, yellow flag in English, is yellow and grows in marshes (cf. the azure field, for water ...
Iris versicolor or Iris versicolour is also commonly known as the blue flag, harlequin blueflag, larger blue flag, northern blue flag, [2] and poison flag, plus other variations of these names, [3] [4] and in Great Britain and Ireland as purple iris. [5] It is a species of Iris native to North America, in the Eastern United States and Eastern ...
Iris brevicaulis (N) Iris cristata (N) Iris fulva (N) Iris germanica (I) Iris pseudacorus (I) Iris verna var. smalliana (N) Iris versicolor (N) Iris virginica var. shrevei (N) Isoetes appalachiana (N) Isoetes engelmannii (N) Isoetes tenella (N) Isotria medeoloides (N) Isotria verticillata (N) Iva annua var. annua (N)