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■ (SPEC) Iris kerneriana Aschers. & Sint. ex Baker

1884, botanical author Ascherson & Sintenis

Iris kerneriana Aschers. & Sint. ( Paul Frederich August Ascherson and Paul Ernst Emil Sintenis ex John Gilbert Baker, 1884, Armenia, Asia Minor). Subgenus Limniris, Series Spuriae, 6-12" (25-30); Yellow, straw-colored; Fragrant

See below: ----

References:

Ascherson and Sintenis MS ex Baker, in The Gardeners' Chronicles 795, 1884;
Iris kerneriana Asch. & Sint. ex Baker, Handb. Irid.: 16 (1892).
Gardening Illustrated 58: 68. 1Feb. 1936,
Dykes, The Genus Iris, 1913

Description.

Rootstock , a slender rhizome, about as thick as a goose's quill.
Leaves , ensiform, about 18 in. long by ¼-½ in. wide, pale yellowish green, finely ribbed, produced in thick clusters.
Stem , 6-12 in., wholly hidden by sheathing leaves, with a terminal head of two flowers, intemodes sometimes bare, sometimes concealed,
Spathe valves, 3 in. long, slightly keeled, somewhat ventricose, pointed, green, scarious at the tip and upper edge.
Pedicel , about an inch long.
Ovary , as in I. spun'a, with three double ridges, ½ in. long, with a narrow neck.
Tube , funnel-shaped, ½ in. long, with many ridges.
Falls . The broadly lanceolate blade has a wavy edge and is separated from the narrow haft by an extremely slight constriction. The colour of the blade is a rich yellow with a paler margin ; the haft is also of a paler yellow, and the central ridge is very slightly raised. 2½ in. long by 1 in. broad.
Standards , linear lanceolate, deeply emarginate, with a wavy edge, tending to twist spirally, yellow.
Styles , much arched longitudinally and pressing close down on to the haft of the fall.
Crests , small, triangular, much recurved.
Stigma, bilobed, with two triangular teeth.
Filaments , expanding at the base.
Anthers ,
Pollen ,
Capsule , resembles that of I. spuria, being hexagonal, by reason of the three double ridges.
Seeds ,

Observations.

This species is distinguished from the other members of its group by the less rigid leaves, more membranous and scarious spathes, and by the lanceolate blade and narrow haft of the falls. It probably comes nearest to I. Sintenisii, but, as far as can be seen from dried specimens, the spathe valves are not sharply keeled.
---- close relative of Iris sintenissii;

Synonyms

Kerner Iris; Hausskechtii, Borm. Gransaultii, Siehe.. ---- ===Chromosome counts 2n=18, La Cour, unpublished; 2n= 18, Lenz 1963. ----

Variations

none reported ----

Hybrids

none reported ----

Distribution & Cultivation

Iris-kernerianaRaschun.jpgIris-kernerianaRaschun2.jpgiriskerneriana05.JPGKERNERIANA04 lankow redux.jpgkerneriana kelaidis.jpgkerneriana niswonger.jpg

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-- Main.RPries - 2010-02-24
Topic attachments
I Attachment Action Size Date Who Comment
Iris-kernerianaRaschun.jpgjpg Iris-kernerianaRaschun.jpg manage 123 K 26 Jul 2016 - 12:04 BobPries (Gerhard Raschun jun., 23-SEP-11)
Iris-kernerianaRaschun2.jpgjpg Iris-kernerianaRaschun2.jpg manage 96 K 26 Jul 2016 - 12:05 BobPries (Gerhard Raschun jun., 23-SEP-11)
KERNERIANA04_lankow_redux.jpgjpg KERNERIANA04_lankow_redux.jpg manage 156 K 26 Jul 2016 - 11:57 BobPries Carla Lankow photo
iriskerneriana05.JPGJPG iriskerneriana05.JPG manage 101 K 05 Jan 2017 - 03:13 Main.TLaurin Photo by Christine Skelmersdale-Broadleigh Gardens-United Kingdom
kerneriana_kelaidis.jpgjpg kerneriana_kelaidis.jpg manage 6 MB 26 Jul 2016 - 12:00 BobPries Pannayoti Kelaidis photo
kerneriana_niswonger.jpgjpg kerneriana_niswonger.jpg manage 61 K 26 Jul 2016 - 12:01 BobPries Dave Niswonger photo
Topic revision: r9 - 05 Jan 2017, TLaurin
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