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■ (SPEC) Iris Montana Dykes

1913, Dykes

'Montana' ( William Rickatson Dykes, 1913). Series Longipetalae_, _Iris missouriensis variety montana. 15-30" (38-77 cm), "much the same as variety pelegonus, being a small plant with the deepest flower coloring in the range." in The Iris, Brian Mathew. ex Dykes, The Genus Iris 91. 1913; synonym Iris montana Nuttall. [Iris missouriensis Nuttall].

montana edited-1.jpg

References:

Dykes in the Genus Iris, 1913;
Description.
Rootstock , a short-creeping rhizome, clothed in stiff dark brown sheathes.
Leaves , firm, narrowly ensiform, about 12-18 in. by 1/3 in., of a glaucous green..
Stem , 18-20 in., naked..
Spathe valves , 2-4 in., scarious in upper part, narrow, sharply keeled, usually 2-flowered ; although a third flower is rarely produced.
Pedicel , 1-1½ in..
Ovary , ½ in., sharply trigonal, with concave sides..
Tube , 3/8 in. long, purple, first constricted above the ovary and then expanding.
Falls , narrowly obovate cuneate, with low rounded median ridge ; on either side of this the ground colour is yellow, especially beneath the ends of the styles. The blade is covered with diffuse lavender veins, on a faint lavender ground. The shade of lavender may be light or dark.
Standards , oblanceolate unguiculate, slightly shorter than the falls, lavender, not blunt nor emarginate as in I. longipetala and I. montana.
Styles , small, narrow.
Crests , narrow, subquadrate, coarsely toothed.
Stigma , entire, oblong.
Filaments , shorter than anthers, pale violet..
Anthers , purple.
Pollen , cream.
Capsule, rounded trigonal, tapering gradually to either end..
Seeds , pyriform, with smooth brown coats.

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-- Main.RPries - 2009-12-03
Topic attachments
I Attachment Action Size Date Who Comment
montana_edited-1.jpgjpg montana_edited-1.jpg manage 40 K 03 Dec 2009 - 02:39 UnknownUser Plate from Dykes' The Genus Iris
Topic revision: r7 - 17 Apr 2017, Harloiris
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