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Iris × hollandica, commonly known as the Dutch iris, is a hybrid iris developed from species native to Portugal, Spain and North Africa [1] (Iris tingitana × Iris xiphium). [ 2 ] Two varieties of Iris xiphium (var. praecox ) from Spain and (var. lusitanica ) from Portugal, were crossed with Iris tingitana (from North Africa).
Mainly known for the garden cultivars known as Dutch Iris, Spanish Iris and English Iris. They generally flower between early to mid-summer and each stem produces between 1 - 3 flowers. Most bulbs should be planted in late autumn, 10 cm deep and between 5–10 cm apart. [3] Section Xiphium. Iris boissieri Henriq; Iris filifolia Boiss. Iris ...
Iris xiphium, commonly known as the Spanish iris, is an iris native to Spain and Portugal. It has also been found in Corsica, South West France, southern Italy, Algeria and Tunisia. [2] This species is also known as the small bulbous-rooted iris or xiphium iris. It was first illustrated in 'Flowers of the Mediterranean' in 1965. [2]
It used to have 3 other subspecies, which have now be re-classified as separate species; Iris spuria subsp. halophila (now Iris halophila), Iris spuria ssp. sogdiana (now Iris halophila var. sogdiana and Iris spuria subsp. notha (now Iris notha). [2] [7] It has been grown and cultivated in Britain since 1573. It naturalised in south ...
It is hardy to USDA Zone 2, [7] or Zone 3. [5] Iris ruthenica does not flower very well in the UK. [13] It is best cultivated in fertile soils that do not dry out. [12] [15] It is best suited for Rock Gardens or at the front of a flower border. [12] [13] [14] Although sinks or troughs could be used. [13] It also grows well on dry peat banks. [33]
In 1788, Curtis's Botanical Magazine, table 61, described Iris orientalis using the name Iris ochroleuca. [12] This was the start of the confusion between the two irises. [3] [7] [20] Because Iris ochroleuce was published later (by Carl Linnaeus in 1771 [14]), it is deemed unacceptable under the International Rules of Nomenclature. [10]
Iris setosa, the bristle-pointed iris, is a species of flowering plant in the genus Iris of the family Iridaceae, it belongs the subgenus Limniris and the series Tripetalae.It is a rhizomatous perennial from a wide range across the Arctic sea, including Alaska, Maine, Canada (including British Columbia, Newfoundland, Quebec and Yukon), Russia (including Siberia), northeastern Asia, China ...
It also unlike other species, it has (4 cm long) upright standards. [5] They have a similar look to Dutch Iris flowers. [3] The stem is between 20–30 cm tall. [6] It has also generally 6 shiny, grey-green leaves (that have a thin white margin) that are 1.5 cm wide and grow up to 30 cm long at flowering time. [2] They grow along the stem of ...