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■ (SPEC) Iris macrosiphon Torrey

1857, Botanical author Torrey

Iris macrosiphon Torrey. ( John Torrey, 1857, California and Oregon); CA, (Series Californicae) ; 6-10" (15-25 cm); Flowers, usually two, with a wide color range, from deep indigo-blue, through lavender and purple, to cream, white and yellow; Stems short to stemless but with a long perianth tube, up to 3", bowl-shaped at the top; Long , narrow, closed spathes; Fragrant; This species is polymorphic with quite variable flower colors and shapes.

See below:
I.macrosiphon01.jpgI.macrosiphon02.jpgI.macrosiphon03.jpgI.macrosiphon04.jpgI.macrosiphon05.jpgIris macrosiphon-1a.jpgIris macrosiphon-2a.jpgIris macrosiphon-3a.jpgIris macrosiphon-4a.jpgIrismacrosiphon01.jpgIrismacrosiphon02.jpgIrismacrosiphon03.jpgIrismacrosiphon04.jpgIrismacrosiphon05.jpgIrismacrosiphon06.jpgIrismacrosiphon07.jpgIrismacrosiphon08.jpgIrismacrosiphon09.jpgIrismacrosiphon1.jpgIrismacrosiphon2.jpgIrismacrosiphon4.jpgIrismacrosiphon5.jpgIrismacrosiphon6.jpgIrismacrosiphon7.jpgIrismacrosiphon8.jpgmacrosiphon01.JPGMacrosiphon edited-1.jpg
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References:

Descr. Bot Coll. 144. (in Pac. Rail. Rep. 4: 1857)
Van T. 1900; Grull. 1907;
Dykes, The Genus Iris tab. 12. 1913,

Description.
Rootstock , a slender, compact-growing rhizome.
Leaves , narrow, ensiform, acuminate, more or less glaucous, 1/8-1/3 by 10-12 in.
Stem , 2-4 in. sheathed in 1-2 narrow reduced leaves.
Spathe valves , narrow, 2½-4 in., green, sharply keeled, very narrow and acuminate, 2-3 flowered.
Pedicel , ½ in.
Ovary , green, ½ in.
Tube , 1½-3 in., varying in colour according to the colour of the flower; purple in the case of the purple forms.
Falls , broadly oblanceolate, tapering gradually to the broad haft. The colour varies from white through cream and pale yellow to lavender and purple. The veins are of a deeper colour.
Standards , Ianceolate with waved edges, slightly shorter than, and of a paler shade of the same colour as, the falls.
Styles , narrow, keeled, deeper in colour than the standards.
Crests , long, narrowly triangular.
Stigma , tongue-shaped.
Filaments , ciliate.
Anthers , yellow.
Pollen , yellow.
Capsule , over 1 in. long, trigonal with sharp angles, down each of which runs a groove, the sides flat or slightly convex, with a shallow groove down each. A sharp beak is formed at the upper end, which narrows more gradually than the somewhat truncated base.
Seeds , pyriform or oval, some flattened, light reddish brown with coarsely wrinkled coat.

Observations.
I. macrosiphon was appropriately named, for it is at once distinguishable from all the other known Californian Irises by its short stem and long perianth tube. The liability of its flowers to vary in colour has already been mentioned under the heading of Distribution and is further illustrated by Plate XI I. In the latter it will be noticed that the leaves of the two examples are not equally glaucous, a feature which is even more obvious when the plants are growing side by side. For cultivation, see the general introduction to the Californian group (p. 35).
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Synonyms

Tube Iris. Iris californica Leicht.; Iris chrysophylla Howell; Iris douglasiana Torrey..

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Variations

Iris macrosiphon Torrey
  • var macrosiphon Eastwood
  • var elata Eastwood
Cultivars of Iris macrosiphon include 'Elata' ----

Hybrids

Iris macrosiphon crosses; 'Greenbriar Contrast', 'Headliner', 'Loyola', 'Pink Ink', 'Pearly Gates', 'Presto', 'Wahkeena' ----

Distribution and Cultivation

Distribution: The distribution of the species gives clues as to its cultural requirements, although plants in cultivation can often tolerate a wider range of variables:
The species is found in the following region:

Bonap's North American Plant Atlas shows the following map reproduced by permission of Kartesz, J.T., The Biota of North America Program (BONAP). 2015. Taxonomic Data Center. (http://www.bonap.net/tdc). Chapel Hill, N.C. [maps generated from Kartesz, J.T. 2015. Floristic Synthesis of North America, Version 1.0. Biota of North America Program (BONAP). (in press)]
Cultivation;

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-- Main.RPries - 2009-11-26
Topic attachments
I Attachment Action Size Date Who Comment
I.macrosiphon01.jpgjpg I.macrosiphon01.jpg manage 72 K 22 Sep 2014 - 02:29 Main.TLaurin Photo by John Weiler
I.macrosiphon02.jpgjpg I.macrosiphon02.jpg manage 72 K 22 Sep 2014 - 02:31 Main.TLaurin Photo by John Weiler
I.macrosiphon03.jpgjpg I.macrosiphon03.jpg manage 67 K 22 Sep 2014 - 02:34 Main.TLaurin Photo by John Weiler
I.macrosiphon04.jpgjpg I.macrosiphon04.jpg manage 66 K 22 Sep 2014 - 02:36 Main.TLaurin Photo by John Weiler
I.macrosiphon05.jpgjpg I.macrosiphon05.jpg manage 63 K 22 Sep 2014 - 02:38 Main.TLaurin Photo by John Weiler
Iris_macrosiphon-1a.jpgjpg Iris_macrosiphon-1a.jpg manage 73 K 08 Jun 2011 - 20:35 Main.ksayce Iris_macrosiphon
Iris_macrosiphon-2a.jpgjpg Iris_macrosiphon-2a.jpg manage 79 K 08 Jun 2011 - 20:36 Main.ksayce Iris_macrosiphon
Iris_macrosiphon-3a.jpgjpg Iris_macrosiphon-3a.jpg manage 73 K 08 Jun 2011 - 20:36 Main.ksayce Iris_macrosiphon
Iris_macrosiphon-4a.jpgjpg Iris_macrosiphon-4a.jpg manage 79 K 08 Jun 2011 - 20:37 Main.ksayce Iris_macrosiphon
Irismacrosiphon01.jpgjpg Irismacrosiphon01.jpg manage 63 K 18 Sep 2014 - 23:39 Main.TLaurin Photo by Adele and Lewis Lawyer
Irismacrosiphon02.jpgjpg Irismacrosiphon02.jpg manage 60 K 18 Sep 2014 - 23:42 Main.TLaurin Photo by Adele and Lewis Lawyer
Irismacrosiphon03.jpgjpg Irismacrosiphon03.jpg manage 62 K 18 Sep 2014 - 23:44 Main.TLaurin Photo by Adele and Lewis Lawyer
Irismacrosiphon04.jpgjpg Irismacrosiphon04.jpg manage 69 K 18 Sep 2014 - 23:46 Main.TLaurin Photo by Adele and Lewis Lawyer
Irismacrosiphon05.jpgjpg Irismacrosiphon05.jpg manage 64 K 18 Sep 2014 - 23:47 Main.TLaurin Photo by Adele and Lewis Lawyer
Irismacrosiphon06.jpgjpg Irismacrosiphon06.jpg manage 63 K 18 Sep 2014 - 23:49 Main.TLaurin Photo by Adele and Lewis Lawyer
Irismacrosiphon07.jpgjpg Irismacrosiphon07.jpg manage 81 K 18 Sep 2014 - 23:51 Main.TLaurin Photo by Adele and Lewis Lawyer
Irismacrosiphon08.jpgjpg Irismacrosiphon08.jpg manage 80 K 18 Sep 2014 - 23:53 Main.TLaurin Photo by Adele and Lewis Lawyer
Irismacrosiphon09.jpgjpg Irismacrosiphon09.jpg manage 73 K 18 Sep 2014 - 23:54 Main.TLaurin Photo by Adele and Lewis Lawyer
Irismacrosiphon1.jpgjpg Irismacrosiphon1.jpg manage 48 K 18 Sep 2014 - 23:56 Main.TLaurin Photo by Adele and Lewis Lawyer
Irismacrosiphon2.jpgjpg Irismacrosiphon2.jpg manage 62 K 18 Sep 2014 - 23:57 Main.TLaurin Photo by Adele and Lewis Lawyer
Irismacrosiphon4.jpgjpg Irismacrosiphon4.jpg manage 85 K 19 Sep 2014 - 00:00 Main.TLaurin Photo by Adele and Lewis Lawyer
Irismacrosiphon5.jpgjpg Irismacrosiphon5.jpg manage 82 K 19 Sep 2014 - 00:02 Main.TLaurin Photo by Adele and Lewis Lawyer
Irismacrosiphon6.jpgjpg Irismacrosiphon6.jpg manage 83 K 19 Sep 2014 - 00:04 Main.TLaurin Photo by Adele and Lewis Lawyer
Irismacrosiphon7.jpgjpg Irismacrosiphon7.jpg manage 60 K 19 Sep 2014 - 00:05 Main.TLaurin Photo by Adele and Lewis Lawyer
Irismacrosiphon8.jpgjpg Irismacrosiphon8.jpg manage 68 K 19 Sep 2014 - 00:07 Main.TLaurin Photo by Adele and Lewis Lawyer
Macrosiphon_edited-1.jpgjpg Macrosiphon_edited-1.jpg manage 69 K 03 Dec 2009 - 02:32 UnknownUser Plate from Dykes The Genus Iris
macrosiphon01.JPGJPG macrosiphon01.JPG manage 1 MB 06 Feb 2017 - 16:21 Main.TLaurin Photo by Glenn Corlew
Topic revision: r14 - 06 Feb 2017, TLaurin
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