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(SPEC) Iris urumovii Velen.

1902, Botanical author Velenovsky Iris uromovii

'Sintenisii Urumovi' (Josef Velenovsky, 1902, Balkans). Subgenus Limniris, Series Spuriae, 6-10" (15-25 cm), Blue. Narrow extremely glaucous leaves, (more vigorous than the type). "One rather uncommon species is I. Uromovii which some botanists consider synonymous with I. sintenisii. As grown here they are very distinct. The former has very narrow and exceedingly glaucous leaves and the flowers are pale violet and white. Especially striking are the narrow flanged hafts of falls. The whole flower is a picture of simple grace. I. sintenisii has white falls closely veined with blue-purple, and the blade is elliptic. The foliage is of a light green very different from that of I. uromovii."-Brown 1946.

References: Velenovsky in Oestr. Bot. Zeitschr. 155. 1902; Dykes, The Gardeners' Chronicle 3rd Ser. 56: 273. 24 Oct. 1914. Hocker 1937; Curtis's Botanical Magazine table 8608, 1915 gives the following;"The Iris here figured was discovered by Professor J. K. Urumov at Eski Dzumaja in Bulgaria in 1901. In his monograph it was referred by Mr. W. R. Dykes to I. Sintenisii, Janka, but, on raising plants from seeds obtained from Messrs. Vilmorin, Mr. Dykes recognised it as distinct. This decision has been confirmed by a plant received by the Hon. N. C. Rothschild from the original locality in Bulgaria. The difficulty experienced has been due to the original description. Dr. Velenovsky has described the plant as having green leaves and greenish spathes, but these organs, as Mr. Dykes points out, are glaucous, this colour being enhanced by the fairly large white asperities on the nerves. The dimensions here given have been derived from the specimen, sent by Mr. Dykes, which has served for our plate. But the stems may attain a height of 6-10 inches, while the leaves may be 18 inches long and a quarter of an inch wide, and the spathes may be over 4 inches in length. On the other hand Velenovsky's plants had leaves one-twelfth of an inch across or under, while according to him the falls may measure as much as an inch and a half in length by an eighth to a sixth of an inch in width. Mr. Dykes finds that this species is as easy to grow in his garden at Godalming as the well known I. graminea. It loses its foliage in the autumn, and it is not until the end of January that the glaucous tips of the leaves appear. It is not fastidious as to soil and has done well in sand enriched with leaf mould and chalk, but Mr. Dykes believes that it might grow even better in a stiffer loam overlying chalk. It should be moved, if necessary, either immediately the flowers are over or when growth becomes active in spring, but not in the autumn when the plant is dormant.

Description.— Herb, rootstock brown, oblique, hardly as thick as a little finger. Stems several, 4-5 in. high, from almost to quite enveloped by the leaves, their bases surrounded by the dry remains of the old foliage. Leaves 5-6 to a stem, at flowering time barely reaching the blossoms, thereafter elongating and at length 10 in. long, 1/8 - 1/6 in. wide, linear, acute or very acute, glaucous, laxly nerved, the nerves rough with rather large white papillae. Spathes 2-3, herbaceous, glaucous-green, acute or subacute. 2 1/2 to 2 3/4 in. long, about 1/4 in. wide, keeled towards the tip, with rough nerves like the leaves. Perianth with a pedicel as long as the ovary; tube over 1/3 in. long, widened upwards ; outer segments 1-1 and 1/4 in. long, with a wide-ovate slightly deflexed limb over J in. long, gradually narrowed into a linear cuneate claw, with bluish-purple veins in the white base, the veins confluent towards the margins ; inner segments 1 in. long, 1/3 in. wide sub-oblanceolate, obtuse, purple. Anthers yellow,
1/3 in. long. Ovary over 1/2 in. long, narrowed into the perianth-tube ; style-arms wide-linear ; crest subquadrate with faintly crenulate lobes.

Chromosome counts: 2n=20, Simonet 1934; 2n=20, Lenz 1963. [Iris sintenisii Janka var. urumovi Velenovsky].

Uromovii Bot Mag 8608.jpg

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-- Main.RPries - 2010-02-24
Topic attachments
I Attachment Action Size Date Who Comment
Uromovii_Bot_Mag_8608.jpgjpg Uromovii_Bot_Mag_8608.jpg manage 302 K 11 Feb 2014 - 19:03 BobPries Biodiversity Heritage Library
Topic revision: r6 - 23 Feb 2016, Harloiris
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