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■ (SPEC) Iris lupina Fos.

1887, Foster Iris lupina

Iris lupina (Sir Michael Foster, 1887) Described by Foster in "Some New Irises, continued". The Gardeners' Chronicle I. p.738-739. June 4, 1887 as Iris Lupina;
  • Rhizome fleshy, creeping, the young buds, as in I. iberica, &c. (Oncocyclus group), soon swelling into a bulbous enlargement separated from the mother rhizome by a constricted portion.
  • Leaves about six to a tuft, rather narrow, 9 inches or more by ½ inch ; erect, or very slightly falcate, gradually narrowed to a point, light green, faintly veined, not purple at base at any time.
  • Stem single flowered, about 6 inches high to commencement of spathe valves, hidden except for last inch by sheathing leaves.
  • Spathe valves two, long, narrow, 3 or more inches by ½ inch, reaching beyond the top of the tube, pale green, with parallel veins, persistent, scarious at the very tip only and that slightly.
  • Perianth tube about 2 inches, ovary trigonal, about 2/3 inch in length, both entirely hidden by spathe-valves.
  • Perianth segment, outer (fall), about 3 inches by If at broadest, broadly lanceolate, the broadly caniculate claw gradually expanding to the lamina which narrows to a rounded but pointed and toothed apex. The lamina reflexed on the claw at about right angles, with a gentle curve, and reflexed laterally on itself in its middle portion. The edge of the claw and the first part of the lamina is wavy only, but that of the rest of the lamina is serrate, becoming at the apex coarsely serrate. The body colour of the segment is in some cases a greenish-yellow, in others a purer yellow, marked, on the sides, for a third inwards with conspicuous thick irregular blotched and broken brownish-red veins. The median portion of the claw, and the median portion of the first third of the lamina is covered with several rows of hairs which in the middle are bright yellow but towards the outside yellow tipped with brown ; in these parts the veining is obscured and hidden by the hairs. The median portion of the middle third is occupied by a conspicuous patch of rich dark red-purple, almost black colour, the jagged edges of which are continued into the veins. In front of this, reaching to the apex, is a band of yellow or greenish-yellow, with very faint veins.
  • Inner- perianth segment (standard), 3 ¾ by 2 1/3 inches, oval, with short claw, connivent, meeting above so us completely to cover the styles; the edge crenate, the sides in the lower half bent back laterally, and in the upper half bent inwardly especially towards the apex, which is thus folded so as to resemble the point of a dog's ear. Body colour greenish- yellow or purer yellow, marked by, and in the upper part almost hidden by, conspicuous blotched veins of brownish-red. On the median line of inside of claw a few reddish-brown hairs.
  • Style 1 ¼ by 3/8 inch, very arched, curving close down upon the claw of the fall, and also curved from side to side, the upper under surface being deeply concave, yellow, with veins or rows of dots of brownish-red in the median portions of both upper and under surface ; on the upper surface the junction of the crests is continued down the back of the styles as a conspicuous ridge. The crests ¾ inch broad by 5/8 inch high, semicircular, spreading fanwise, yellow, marked with brown-red veins, and liaving a serrate edge. Stigma a broad ledge with even margin.
  • Anthers large and conspicuous, with large-grained pale yellow pollen. Capsule trigonal, dehiscing at the sides only, and chiefly in the upper half;
  • seeds large, reddish-brown, with wrinkled coats and a conspicuous cream-coloured strophiole.
This strikingly handsome tawny Iris grows on themountains a few miles south of Kharput. I am indebted for living roots of it to the kind zeal of Mrs, Barnum, of the American Mission, Kharput,
who has been indefatigable in assisting me to a knowledge of the Irises of Asia Minor, and who has sent me not only this and the little L reticulata sophenensis, but also several other Irises, some of
which promise to be new. It is called bv the country people the Wolf’s ear and indeed the tawny tips standards as they burst out' of the opening fairly suggest the name; hence I have ventured to call it I. lupina, the Wolf Iris, it flowered with me in May. It belongs to the Oncocyclus group, and comes
nearest to I. Heylandiana (Boissier), from which, however, it is distinguished by the form of the segments, by the semicircular crests of the style, by the colour, and by the narrow less falcate foliage.
It needs the same cultural treatment as other members of the Oncocyclus group.

Other references: Curtis's Botanical Magazine, table 7904, 1903.

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Lupina Bot Mag 7904.jpg

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-- Main.RPries - 2011-03-07
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Lupina_Bot_Mag_7904.jpgjpg Lupina_Bot_Mag_7904.jpg manage 334 K 12 Feb 2014 - 19:43 BobPries Biodiversity Heritage Library
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Topic revision: r5 - 14 Sep 2016, BobPries
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