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Category FLORA  

Irises Spurrier undersized

2014-07-25 00:00:00

Sem. Iridaceae

Rocky garden
Irises section Ksiridion or Spur-stunted irises:
Iris Pontic, or low I. pontica Zapat. = I. humilis Bieb, Iris marschalliana Bobrov .

Pontic Iris grows in mountain and steppe regions of Southern Europe. In the Caucasus, in foothills of Kabarda and mineral waters in the area.

This tiniest Spurrier iris. With extremely short peduncle his large -up to 5-7 cm in diameter, purple-reddish or violet-blue flowers -make a strange impression. It seems that they stuck straight into the ground. They have a faint but pleasant aroma is rare for Spurrier irises sign. Leaves narrowly linear, up to 20 cm long. and 4-5 mm wide. Stem barely rises above the surface of the soil, 2-3 7 -9 cm long. Capsule short, broad. Seeds globose or angular, reddish-brown. There are varieties. Blooms in June. Fruiting in July-August.

Tested in Moscow, St. Petersburg, Stavropol. For 12 years he has successfully vegetate on Iridarii St.Petersburg, bloomed profusely and gave viable seeds. This kind of being grown from seed, good for rocky hills, but not soon zatsvetate, only 5 years after planting.

Photo Oak Galina

Iris Ludwig - I. ludwigii Maxim.

In Russia found in the Altai region. Outside Russia circulated in North East Kazakhstan. Grows on steppe meadows, thickets ences and divisions stony steppes.

branched rhizome, the plant forms a loose Curtain. Basal leaves in bundles of 4. Leaflets involucre including 3, parchment, folded lengthwise, with the keel at the crease. Flowers in figure 2, blue and purple. Perianth tube is thin, almost equal to the limb. Outer perianth lobes along the central vein with a strip of clavate unicellular hairs; internal-lanceolate. Stamens with orange anthers. Capsule oval, with a spout. Seeds round, sinuously-furrowed, brown. Blooms in late May and early June. Fruiting in June-July.

rarest species, on the verge of extinction. One of the most adaptive populations was found in nature VM Doronkin, reproduced in Novosibirsk botanical garden. The peculiarities of foliage and short peduncles reminds iris Pontic. In the wild flora iris Ludwig found predominantly in dry gravelly soils of shrubs and tall-feather grass. In a culture still poorly tested. More promising for cultivation in the dry steppe regions. Interesting as a component when hybridized with iris Pontus.

Tested in Barnaul, Novosibirsk, St. Petersburg, Chita. In the culture is not stable, not infrequently after flowering dies tying bad seeds. Good for rocky hills and curbs.

Materials used books G.I.Rodionenko "Irises" -Saint-Petersburg. Agropromizdat Diamond -2002

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