(SPEC) Iris monnieri D.C.

1808, Botanical author De CandolleMonnieri

_Iris monnieri_ DC. ( Augustin Pyramus De Candolle, 1808, Unknown); Section Limniris, Series Spuriae. Spur- Color Code-Y4M; 30-60" (75-150 cm); Pale lemon-yellow flowers. fragrant.

See below:
IMG 9320-X2 i monnieri.jpgMonnieri Redoute 236cropped.jpg
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References:

Iris monnieri Redouté, Liliac. 4: t. 236 (1808).
Described by Baker in The Gardeners' Chronicles p. 584, Nov. 4, 1876. Bakers description reads;

* "Rhizome stout, short-creeping. Stem stout, terete, 3-4 feet high, furnished with several reduced leaves and clusters of flow-s. Leaves firm, sub-erect, reaching a length of 2-3 feet, and a breadth of 1-1 ¼ inch, slightly glaucous. Spathes two-flowered, the outer valves firm, green, tight-clasping, 3-4 inches long, 1 ¼-1 ½ inch broad. Pedicel 1-2 inches long inside the ovary; ovary cylindrical, deeply sulcate; tube as long as the ovary; limb 3-3 ½ inches deep, bright lemon-yellow, quite without dark-coloured veins; blade of the falls roundish, 18-20 lines broad, equalling the claw; standards spreading, oblanceolate-spathulate, 3 inches long, 1 inch broad. Stigmas 1 ½ inch long, much exceeding the flat filament. Capsule oblong, 2 inches long, narrowed gradually into a beak 1 inch long, and marked with six strong ribs all down the base."
"A native of Crete, discovered and introduced into cultivation by Sieber. It is one of the largest and finest species of the genus, and flowers the latest of all about London, at the latter part of June, reaching over into July. My notes were taken upon a fine living plant at Kew, and I have seen it also at Mr. Ware's, at Tottenham"- J. G. Baker.
Mathew & Baytop (1982) seems to agree with the thought that this is a hybrid from I. xanthospuria and I. orientalis.
Tougard 1839;
Foster in Gard. Chron. 1883;
Van T. 1900; 1938; Grull. 1907; Macoun; Van W. 1911; Farr 1912;
Dykes, The Genus Iris 1913,
Francis 1920; Per. 1933; 1938; Scudder 1933; Wal. 1933; Tip Top 1937; Berry 1938;
A.M., R.H.S. 1900, shown by Barr; Journal of the Royal Horticultural Society 25: xciv. June 1900;
(1939 checklist suggested it may be only a garden hybrid of Iris ochroleuca; Lenz (1963) discusses and supports this hypothesis,
Dykes (1924) notes that seedlings of selfed I. monnieri produce plants resembling I. orientalis.
Lenz, 1963 in Aliso, reprinted in SIGNA 1969; "An interesting, but poorly understood yellow flowered, 40-chromosome taxon is Iris monnieri; described in 1808 by de Candolle. The original plant was discovered growing in the garden of M. Lemonnier at Versailles, where it was called "Iris de Rhodes", the name referring, presumably, to its place of origin. Dykes was of the opinion that it was probably not a good species as evidenced by the fact that the majority of seedlings raised from self-fertilized flowers resemble I . ochroleuca. According to htm, Iris monnieri is distinguished from both I. ochroleuca and I. crocea by color differences, and in the case of I. crocea also by shape of the sepals, which are orbicular in I. monnieri and lanceolate with crimped edges in Iris crocea.

First generation hybrids between Iris ochroleuca and I. crocea have falls somewhat tapered like those of I. crocea and quite unlike those of I. monnieri as shown in Pierre Redoute's painting which a acompanied the original description.

Perhaps the most significant floral feature of the three is the shape and size of the style crests which are triangular and over a half inch long in I. ochroleuca, and are small and deltoid in I. monnieri Dykes, 1913). For I. crocea, Dykes merely says that they are deltoid. The original illustration of I. monnieri shows the crests to be short and very recurved , quite distinct from those observed by us in I. crocea or. any form of I. ochroleuca which we have grown. In 1948 we received seed collected in the vicinity of Ankara , Turkey , by Haydar Bagda . Plants grown from this seed (our "Turkey Yellow" ) produce deep golden yellow flowers with sepals varying in shape from lanceolate to rounded . The most striking feature of the flowers is the very short and strongly recurved style crests , which are distinct from I. ochroleuca or Iris crocea but similar to, though more extreme, than those shown in the illustration of I. monnieri.

There are, therefore , in Asia Minor deep golden-yellow flowered spurias which in the single collection grown by us, show very short and strongly recurved style crests unlike those of the more common I. ochroleuca . A plausible explanation for the origin of I. monnieri would be that it is a hybrid, possibly a natural hybrid, between the white-flowered I. ochroleuca and one of the deep yellow-flowered irises found in Turkey. Such an explanation would fit all the facts now known about I. monnieri.
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Synonyms;

Xiphion Monnieri, Alef.; Xyridion Monnieri, Klatt. ----

Chromosome counts

2n=40, Lenz, 1963. ----

Variations

Iris monnieri has one selected cultiver; 'Rose Colby' ----

Hybrids

The following are Iris monnieri crosses;
  • 'Academus', 'A. J. Balfour', 'Dorothy Foster', 'Elizabeth Teubert', 'Frigiya', 'Monaurea', 'Monspur', 'Monspur Cambridge Blue', 'Monspur Milton', 'Mrs. Mary Nugent', 'Premier'
hybrids with Iris monnieri as grandparent 'Cloudless Day' ----

Distribution & Cultivation

IMG 9320-X2 i monnieri.jpgMonnieri Redoute 236cropped.jpg

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-- Main.RPries - 2010-02-25
Topic attachments
I Attachment Action Size Date Who Comment
IMG_9320-X2_i_monnieri.jpgjpg IMG_9320-X2_i_monnieri.jpg manage 218 K 17 Feb 2016 - 06:13 BrockHeilman Please contact Brock Heilman for image use.
Monnieri_Redoute_236cropped.jpgjpg Monnieri_Redoute_236cropped.jpg manage 97 K 27 Sep 2013 - 12:17 BobPries Plate236 From Les Lilialles
Topic revision: r8 - 03 Aug 2018, BobPries
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