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(Spx) Iris × binata Schur, Oesterr. Bot. Z. 10: 354 (1860).

accepted in the World Checklist as a natural hybrid between I. aphylla × I. pumila

See below:
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References:

Iris × binata Schur, Oesterr. Bot. Z. 10: 354 (1860)
Accepted by Prodan in The Eupogon Species in Cultivation (1971) as a variety of Iris pumila; "Iris purnila L. var binata Schur in O.B.Z.X. (1860) p 354

At the first glance this plant gives us the impression of being a more robust I. purnila L. with two flowers. The rhizome is like that of l. purnila L., the leaves are basal, slightly thicker, stiffer, often slightly falcate, 11-28 cm long and 9-17 mm wide, veins conspicuous. Stem (including the blossom) is 19-2 5 cm long, consisting of two internodes; the lower is 30-35 mm long, has a sheath-like leaf which is 75-90 mm long and 6-9 mm wide at the tip, in the axil of which arises a branch 5-20 mm long and ending in a flower; the second internode is 12-78 mm long and also ends in a flower. The stem usually carries 2 flowers, in exceptional cases 3, rarely one. The flowers in bud are covered by the spathe valves which are strongly inflated, lanceolate, green, smooth, firm at the tips, not membranous or at the most a narrow membranous margin below the tip. Ovary 12. 5-15 mm long, its stem 1-3 mm long; perianth tube 25-50 mm long, clearly shorter than in I. purnila L. and only 2-3 times, rarely 4 times as long as the ovary. Perianth parts clearly larger, 45-60 mm long, 20-38 mm wide, elliptical, sometimes almost round, butter yellow, with blue spots at the bottom. The flowers can be blue as I observed in some specimens in the herbariurn of Prof. Borza, collected by Barth. Capsule 4 cm long, one side 14 mm wide, resembles the fruit of I. purnila but the pericarps are much stronger and thicker. One of the specimens in the Herbariurn Borza (collected by Barth) gave the impression that the capsule is broader in the middle. Seeds ovoid, wrinkled, ending in a sort of beak.

On sunny hills: Rosia-saseasca (Rothberg) type locality. Collected June 24,1899. I. Barth (H. Prod.)
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Synonyms

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Chromosome counts

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Variations

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Hybrids

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Distribution and Cultivation

Distribution: Region: SE. Europe, Romania
Cultivation:

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Topic revision: r1 - 08 Sep 2016, BobPries
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